Nutritional Depletion as a Side Effect of Anticonvulsant Medications

angel

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http://home.iprimus.com.au/rboon/SideEffectsofAnticonvulsantMedications.htm


The information below is for educational purposes only. Recent research has shown that few generic brands of vitamins and supplements fulfil the need for a high quality product. It is therefore vital that you discuss your unique needs with your health care professional.

This should serve to highlight the need for interdisciplinary co-operation and interventions according to best pratice in the service of the epileptic population.

Anticonvulsant medications such as barbiturates, phenytoin, carbamazapine, primidone, and valporic acid are known to deplete vital nutrients. Each of these is outlined below along with the vitamins and minerals they are known to deplete.
 

angel

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Barbiturates such as Phenobarbitol or Phenobarbitone can cause depletion of calcium, folic acid, vitamin D, vitamin K, and biotin.

Phenytoin such as Dilantin can deplete a wide range of nutrients including biotin, calcium, folic acid, vitamin B1, vitamin B12, vitamin D and vitamin K.

Carbamazepines such as Tegratol, Teril, Carbium can deplete biotin, folic acid and vitamin D.

Primidone in Mysoline can deplete folic acid and biotin.

Valporic acid in Epilim and Valpro can cause depletion of folic acid, carnitine, copper, selenium and zinc.

Health Implications as a Result of Nutrient Depletion/Deficieny due to Anticonvulsants

Vitamin B1 (Thiamine)
B vitamims act as coenzymes, helping enzymes to perform their function properly. The B vitamins help to maintain the health of nerves, skin, eyes, hair, liver and mouth as well as healthy muscle tone in the gastrointestinal tract and proper brain function. Only those B vitamins depleted by anticonvulsant medications will be mentioned here.

Thiamine enhances circulation and assists in blood formation, carbohydrate metabolism, and the production of hydrochloric acid (needed for proper digestion). Thiamine also optimises cognitive activity and brain function and is needed for proper muscle tone of the intestines, stomach and heart. Thiamine also acts an antioxidant protecting the body from the degenerative effects of aging, alcohol consumption and smoking. A vitamin B1 deficiency results in beriberi, constipation, edema, enlarged liver, fatigue, forgetfulness, gastrointestinal disturbances, heart changes, irritability, laboured breathing, loss of appetite, muscle atrophy, nervousness, numbness of the hands and feet, pain and sensitivity, poor coordination, tingling sensations, weak and sore muscles, general weakness, and severe weight loss.

Blood levels are low in epileptics possibly due to ingestion of anticonvulsants (Krause). Moreover, thiamine deficiency may provoke seizures in predisposed patients (Keyser). It is interesting to note in a double blind crossover study patients who had been on phenytoin alone or in combination with phenobarbital for several years received 50 mg of thiamine daily. After 6 months thiamine, improved the neuropsychological functions in both verbal and non verbal IQ testing were noted (Botez).

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angel

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Vitamin B12 (Cyanocobalamin)
Vitamin B12 is needed to prevent anaemia. It aids folic acid in regulating the formation of red blood cells and helps in the utilisation of iron. This vitamin is also required for adequate digestion, absorption of foods, the synthesis of protein, and the metabolism of carbohydrates and fats. It helps cell formation and cellular longevity. Additionally, vitamin B12 prevents nerve damage, maintains fertility and promotes growth and development by maintaining the fatty sheaths that cover and protect nerve endings. Vitamin B12 is used in the production of acetylcholine, a neurotransmitter that assists learning and memory. It also enhances sleep patterns, allowing for a more restful and refreshing sleep. A deficiency of vitamin B12 can be caused by malabsorption, which is common in digestive disorders. Deficiency can cause abnormal gait, bone loss, chronic fatigue, constipation, depression, digestive disorders, dizziness, drowsiness, enlargement of the liver, eye disorders, hallucinations, headaches (including migraines), inflammation of the tongue, irritability, laboured breathing, memory loss, moodiness, nervousness, neurological damage, palpitations, pernicious anaemia, ringing in the ears (tinnitus), and spinal cord degeneration. Epileptics on anticonvulsant medication demonstrate reduction in serum vit B12 levels (Rosciszewzka).

Vitamin B6

High dose pyroxidine may benefit patients with recurrent seizures due to acute infectious diseases. In one study of 40 infants and children total response rates in the pyroxidine and control groups were 92.5% and 64% respectively. A highly significant difference. Seizures resolved after around a day in the pyroxidine group and after three days in the control group. No adverse effects of pyroxidine were apparent in the observation period (Jiao, Baumeister & Eggar J).

It is important to note that B vitamins should never be given in isolation and a potent B complex should always be given when single B vitamins are indicated.

Folic Acid (Pteroylglutamic acid- PGA)
Folic acid is considered a brain food and is needed for energy production and the formation of red blood cells. I also strengthens immunity by assisting in the proper formation and functioning of white blood cells. If functions as a coenzyme in DNA and RNA synthesis and is necessary for healthy cell division and replication. All anticonvulsant drugs deplete folic acid. In women, this can lead to serious health problems. A deficiency in folic acid disrupts DNA and RNA metabolism, thus producing abnormal cells. This problem is particularly acute in cells with the most rapid turnover- red blood cells, leukocytes, and epithelial cells of the stomach, intestine, vagina, and uterine cervix. There is a higher need for folic acid during pregnancy and this deficiency is associated with birth defects such as spina bifida. Folic acid deficiency can cause anemia, cervical dysplasia (leading to hysterectomies), headaches, fatigue, depression, hair loss, growth impairment, anorexia, insomnia, diarrhea, nausea, apathy, memory loss, paranoia, increased infections and elevated homocysteine levels. Elevated homocysteine levels is now recognised as a serious independent risk factor for atherosclerosis (hardening of the arteries due to the accumulation of fatty plaques). Even moderate levels of homocysteine substantially increase the risk for plaque build-up and blood clots. Folic acid is needed with adequate amounts of vitamin B6 and B12 to convert homocysteine to non-harmful amino acids in the body. A folic acid deficiency is also associated with increased risk of developing breast cancer and colorectal cancer.
 

angel

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Folate metabolism is intimately involved in the epileptogenic process. Experimentally induced seizures deplete brain folate as do anticonvulsants (Smith). It should be noted that results of studies investigating the effects of folate supplementation on seizures have been mixed.

Biotin
Biotin aids in cells growth; fatty acid production; in the metabolism of carbohydrates, fats and proteins and in the utilisation of the other B-complex vitamins. It also promotes healthy sweat glands, nerve tissue, and bone marrow. In addition it also helps to relieve muscle pain. Biotin deficiency can result in hair loss, depression, anaemia, insomnia, loss of appetite, muscular pain, nausea, soreness of the tongue, inflammation or pallor of the skin and mucous membranes, and an elevation of blood glucose and cholesterol levels. Biotin deficiency is frequently associated with epileptic seizures and studies suggest that it falicitates convulsive disorders (Bregola). Treatment with anticonvulsants appears to increase biotin catabolism (breakdown). Over time this can lead to reduced biotin status (Mock). Biotin repletion should be considered in an infant or child with unexplained seizure and a trial of biotin should be considered for infants less than one year of age with poorly controlled seizures (Salbert).

Carnitine

Although considered an amino acid, carnitine is more related to the B vitamins. Unlike true amino acids, carnitine is not used for protein synthesis or a neurotransmitter. Its main function in the body is to facilitate the transport of long-chain fatty acids to the mitochondria where they are burned to provide energy. This is a major source of energy for the muscles. Studies have shown decreased carnitine levels in people suffering from chronic fatigue syndrome. Carnitine works with the antioxidants vitamins C and E to help slow the aging process by promoting the production of acetyl-transferase, an enzyme in the mitochondria of brain cells that is vital for the production of cellular energy there. Unless there is an inherited defect in carnitine synthesis, the body normally makes adequate levels of carnitine provided there are sufficient amounts of iron, vitamin B1, vitamin B6, vitamin C and the amino acids lysine and methionine available. Administration of valporic acid (Epilim) can create a carnitine deficiency, which can cause fatigue, confusion, muscle weakness, cramps, heart pain and obesity. Numerous studies have found that patients taking anticonvulsant medications particularly Epilim have lower plasma levels than controls (Coulter). Furthermore, carnitine deficiency seems to be related to the duration of treatment (Chung).

Calcium
Since anticonvulsant medications decrease the intestinal absorption of calcium, individuals taking these medications are at increased risk of developing a calcium deficiency. Simple calcium supplementation will not solve this problem because the calcium deficiency is the result of a vitamin D deficiency, and vitamin D is necessary for calcium absorption. Vitamin D supplementation is therefore necessary to increase the absorption of calcium. The well known results of calcium deficiency are skeletal problems such as rickets (softening and bending of the bones) in children and osteoporosis (porous, brittle bones) or osteomalacia in adults. Additionally, calcium deficiency can lead to high blood pressure, muscle cramps, heart palpitations, tooth decay, back and leg pains, insomnia, and nervous disorders. During idiopathic generalised tonic-clonic seizures, serum and cerebrospinal fluid calcium levels are elevated (Sood).Anticonvulsants interfere with calcium metabolism in a poorly understood manner causing depressed blood calcium levels. Occasionally, rickets or osteomalacia may develop (Flodin).

Magnesium

Magnesium is needed in over 300 chemical reactions in the body and depletion is known to cause marked irritability in the central nervous system which eventually results in seizures. Low levels correlate with increased frequency, poor control and longer duration of seizures. Status epilepticus and EEG abnormalities are also related to low cerebral spinal fluid magnesium levels. Additionally, there is a negative correlation between the serum magnesium level and severity of the epilepsy, with the lowest levels seen in status epilepticus. Moreover, 29 out of 30 epileptic children with grand mal or petit mal seizures who received magnesium and stopped their anticonvulsants showed marked improvement (Barnet). Magnesium is a natural calcium channel blocker and it is known that serum calcium and CSF levels may be elevated and remain so for at least 24 hours. Supplementation with magnesium to correct the deficiency is therefore clearly indicated.

Vitamin C

Vitamin C is a one of the antioxidants needed by all cells in the body. Anticonvulsant therapy seems to have a negative influence on plasma levels of vitamin C (Singh). Lower vitamin C levels are associated with poore resuklts in tests of central and peripheral nervous system function including cerebellar disturbances. Both males and females with lower Vit C levels showed a tendency toward macrocytic anemia. (Krause).

Vitamin E

Vitamin E (d alpha tocopherol) is a powerful antioxidant that prevents the perioxidation of lipids in the cell membranes. Epileptics on anticonvulsant medications may have reduced plasma alpha tocopherol (Vitamin E) levels and this may be due in part to the use of anticonvulsants. Under double blind conditions vitamin E supplementation has been shown to reduce seizures. In one double blind study of 24 epileptic children with refractory epilepsy, after 3 months 83% of the 12 treated children had a greater than 60% reduction in seizures (and half of these children had 90 to 100% reduction) compared to none of the controls. When the controls were switched to 70 to 100% in all of them (Ogunmekan, Krause).

Vitamin D
Vitamin D deficiency can cause skeletal problems because not enough calcium phosphate is deposited in the bone matrix. In children, the bones are not strong enough to withstand the ordinary stresses of weight-bearing, which can result in muscle weakness, pain, knock-knees, bowed legs, spinal curvature, pigeon breast, disfiguring of the skull, and tooth decay and dental problems. In adults, it leads to osterporosis. As a result of anticonvulsant treatment, serum levels of both 25-hydroxy vitamin D and 1, 25 - dihydroxy Vitamin D (active vitamin D3) may be depressed (Valimaki). Marked elevation of serum alkaline phosphatase particularly when in concert with hypercalcemia would suggest anticonvulsant induced bone disease (Alderman)

Vitamin K
Vitamin K is needed for the production of prothrombin, which is a necessary for blood coagulation. Recent research indicates that vitamin K is also necessary for bone formation and repair because it is necessary for the synthesis of osteocalin, the protein in bone tissue on which calcium crystallizes. It also plays an important role in the intestines and helps to convert glucose into glycogen for storage in the liver. It is also thought to increase resistance to infection in children and help prevent cancers that target the inner linings of the organs. Since Vitamin K regulates blood clotting mechanisms, a deficiency can lead to coagulation problems resulting in bleeding and hemorrhage in internal organs and a disruption in normal bone growth and repair. The majority of this vitamin’s supply is synthesised in the body by the "friendly" bacteria normally present in the intestine. Hence probiotics are important for anyone on anticonvulsant medications, particularly those on Phenobarbitol and Dilantin.

Copper
Among its many functions, copper aids in the formation of bone, haemoglobin and red blood cells, and works in conjunction with zinc and vitamin C to form elastin, an important skin protein. Additionally, it is essential for the formation of collagen (protein) used in bones, skin and connective tissue. It is involved in the healing process, energy production, hair and skin colouring and taste sensitivity. A copper deficiency can lead to anemia, baldness, diarrhea, general weakness, elevated levels of serum cholesterol, impaired respiratory function and skin sores. Seizures can be caused by copper deficiency (Sorensen 1979), however, serum copper and ceruloplasmin concentrations are often elevated. These findings appear to be partly due to the effects of anticonvulsants, perhaps due to hepatic (liver) enzyme induction (Motta).

Selenium
Selenium is a vital antioxidant, especially when combined with vitamin E. It protects the immune system by preventing the formation of free radicals that can damage the body. It’s principal function is to inhibit the oxidation of lipids (fats) as a component on the enzyme glutathione peroxidase. It also plays an important role in regulating the effects of the thyroid hormone on fat metabolism. Selenium and vitamin E act synergystically to aid in the production of antibodies and to help maintain a healthy heart and liver. This trace element is needed for pancreatic function and tissue elasticity. Research has also indicated that it prevents the formation of certain types of tumours (lung, prostrate, colorectal). Selenium deficiency has been linked to cancer and heart disease. It is also associated with exhaustion, growth impairment, high cholesterol levels, infections, liver impairments, pancreatic insufficiency, and sterility. Australian soils are notably deficient in selenium.

Studies suggest that brain selenium depletion may trigger seizures and subsequent neural damage due to selenium's important role in the defense of neuronal cells against oxygen radical formation and peroxidative processes (Calomme, Ramakers, Webber).

Zinc
Zinc is an important mineral for a healthy immune system. It is required for protein synthesis and collagen formation and promotes the healing of wounds. It is a constituent of insulin and many vital enzymes. Sufficient intake and absorption of zinc is vital to maintain the proper concentration of vitamin E in the blood. Zinc also prevents acne and regulates the oil glands; allows for the acuity of taste and smell; protects the liver from chemical damage; and is vital for bone formation. A zinc deficiency may result in a loss of the senses of taste and smell, cause fingernails to become thin, peel and develop white spots. Other signs of a zinc deficiency include acne, hair loss, growth impairment, delayed sexual maturation, fatigue, high cholesterol levels, impaired night vision, impotence, increased susceptibility to infection, infertility, memory impairment, a propensity to diabetes, prostrate problems, recurrent colds and flu, skin lesions and slow wound healing.

Zinc deficiency is known to cause seizures (Prasad). Anticonvulsants can cause zinc deficiency either by reducing zinc absorption in the gut through chelation or by causing diarrhoea (Lewis-Jones). Studies on zinc supplementation suggest zinc ions limit the excitatory response in the dentate granule cells of patients with medial temporal epilepsy (Williamson). Furthermore, zinc supplementation has been shown to protect against the development of seizures, suggesting that zinc may be an essential component of a natural, anticonvulsant tissue response to abnormal excitation (Sterman). Australian soils are notably deficient in zinc.

A plethora of vitamin supplements is available over-the counter in health food shops in Australia. However, they come in various forms, combinations and amounts and many do not deliver what they promise. They are available in tablet, capsule, gel-capsule, powder, sublingual, lozenge and liquid forms. Some can also be administered by injection. How quickly they are absorbed and assimilated into the body (bio-availability) depends on the form they are in, whether they are synthetic (laboratory manufactured) or natural (nature’s unprocessed food sources) and the ingredients used as fillers. It is highly unlikely that you will find one supplement or brand to cater for all of your needs. For this reason, caution is suggested when buying over-the counter supplements and the need for qualified nutritional advice is paramount
 
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angel

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The above information is for educational purposes only. Recent research has shown that few generic brands of vitamins and supplements fulfil the need for a high quality product. It is therefore vital that you discuss your unique needs with your health care professional.
 

alivenwell

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That comprehensive list was great!
Again, like Angel mentioned, the dosages vary. A doctor should be consulted for this before taking any action. Food sources that you have been doing and that have been working should continue for you.

With this knowledge, what are the primary sources of the good vitamins, minerals, and bad ones?
Can we compose a comprehensive list of vitamins, minerals, herbs, foods, drinks and various foods that help control epilepsy?
Obviously there are many foods that could have natural occurrences of the good vitamins or minerals. And, the dosages and sources vary as well per individual. I'd be interested in a list of the best ones with a general guideline.

I've read a few included in this web site and some in books:
Good ones, average daily quantity, reason, food source or activity
Manganese - 50 - 100 mg orally at bedtime- trace amounts in some foods
Magnesium- 1 tsp of milk of magnesia 3 times daily (varies per individual)
Calcium -1000 mg daily(Chablis include vitamin D and Vitamin K- Viactiv) -renewal of body cells part of neurotransmission and prevention of osteoporosis caused by AEDS. It may help memory.
Vitamin B6- mg orally each morning Works with Taurine -Feeling of alertness
Taurine -500 mg in morning and 500 mg in evening -works with maganese and is added to some baby formulas like Similac
Dimethylglycine a,k,a, DMG- 100 mg in morning and 100 mg in evening
Zinc - trace amounts
Antioxidants:
Beta carotene
Vitamin C- Citrus fruits
Normal, constant blood sugar levels
Unprocessed fresh fruits or vegetables
High fiber foods (20-30 mg grams of fiber daily)
Whole grain foods
Skim milk

Precautions: Taurine gives stomach distress
Vitamin B6 has diuretic effect (potential dehydration) and can interfere with Dilantin


Bad ones:
Alcohol- may cause unbalanced neuroelectrical activity and may not be taken with AEDs
Nicotine- any source of this is cancer causing. It's a stimulant.
Aluminum- comes in many forms from table salt (use sea salt), cookware, some antacids
Stress inducing activities
Caffeine- in moderation-this moderates sugar levels which is why we experience fatigure afterward.
High sugar foods
Saccharin
Aspartame
Sorbitol
Malitol
Rosemary (not really sure about this one, but I think I read it somewhere)
Ginko Biloba
Ginseng ?
 
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angel

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Ginko biloba, St. John’s wort & Genseng I tried once a long time ago before i was put on meds they all made myself sick yuck..... ill never take them again..... im not sure though about causing seizures....all i know is that they didnt help me...
 
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angel

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while taking e meds i try to stay away from herbs because of possible drug interaction... unless i talk to my doctor about it so far hes been more into multi vit...
 

Ruth

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You are an Angel for doing all of this research for me and everyone else in the forum. Thank you.

These are the vitamins and minerals I need for osteomalacia:

1. Calcium phosphate and Vitamin D. Not enough can cause osteomalacia.

2. I need folic acid and biotin for my Mysoline and all of my other medicines.

3. Vitamin B complex and folic acid work together to prevent bone loss.

4. I need biotin to prevent bone loss.

5. Vitamin K is for the protein in my bone loss.

6. I also need copper and zinc.
Before I take these vitamins and minerals, I will have my doctor test me to find out how much I need. My health problem is caused by nutritional depletion from AED's.
 

Andrew

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Hi Angel,

Well done you for writing all of the above information on vitamins and minerals.

I have been using vitamin B6 for over 38 years to control my rare type of epilepsy. I was five months old when my pediatricain first gave me vitamin B6. At this piont, because of the positive effects that vitamin B6 had on my seizures, all of the anti-epileptic drugs were slowly stopped. My seizure medication now consists of all eight B vitamins only (mainly vitamin B6). In over 38 years of having seizures I have never used any Anti-epileptic drugs, minerals or special diets with my B vitamins to control my seizures.

Apart from absent 'TYPE' seizures I have been approx. 19 years seizure free.

You may be interested in reading my story and some of the many link at the following URL:

http://brain.hastypastry.net/forums/showthread.php?t=36549

**DO NOT ALTER ANY MEDICATION WITHOUT YOUR DOCTOR'S CONSENT**

Vitamins may interfere with some anti-epileptic drugs.

A high dose of vitamin B6 may cause Peripheral Neuropathy.

Regards

Andrew
 
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Ruth

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Hi Andrew,

I am glad you have been seizure free for 19 years. I read your story at the forum.

I am on Vitamin B complex for Keppra. I take Calcium and vitamin D for my osteomalacia. I have not gotten the phosphate yet. I need to take the other vitamins and minerals that I have listed. I take a multi vitamin but that does not seem to work.

I agree that too much of a good thing is not good. It can cause problems like you said. I have Diabetes type 2 and Neuropathy is possible for me. I appreciate the information that Angel went to all of this work for us.
 

April1811

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I know we need to support each other and I have been an epilectic for over 50 years. The one thing I know really was bad was ASPARTAME or Equal when ever I drink or eat it I would have a promblem with my seizures. So I know it was bothering me totally with my medications. Good Luck
 

epileric

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I know we need to support each other and I have been an epilectic for over 50 years. The one thing I know really was bad was ASPARTAME or Equal when ever I drink or eat it I would have a promblem with my seizures. So I know it was bothering me totally with my medications. Good Luck
I've started using stevia as a sweetener. If you're trying to avoid or lessen your sugar intake you might want to give it a try. You can usually find it in health food stores
 

Eve

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Wow thanks for all the great info.:woot:


I am going to read through it and see what nutrients I need.

I do know that while I was completely on Cabatrol I have suffered a numer of joint and arthritic related ailments . Now with this info I find it all interesting.
 

Ruth

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Hi,

I have never heard of stevia, I will look for it. I know Aspartame and Equal are suppose to be bad for my epilepsy. It has never affeced me after 60 years. I know it is bad for a lot of epileptics.
 

Ruth

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Hi Lainsta,

I am glad to meet you. This forum was made by Bernard out of love for his wife Stacy.

Thank you for the info. I will check it out.
 

Endless

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Agave nectar is definitely less processed. It has the same amount of sugar in it as sugar, honey, etc., though. It's available at costco now. (Imagine the giant bottle)

Stevia is great. I love it. No sugar and low carb. It can be a little bitter on its own but mixed into something else I don't notice that. I also only need a tiny little bit, so the extra cost isn't a big deal. (It's expensive). Trader Joes had it at an amazingly good price awhile back. And it wasn't the evil kind that adds aspertame to it. (read the box before buying) The only drawback is that Stevia isn't the best choice for baking. But it works for everything else.

For the discussion many posts below this one... Here's a list of supplements and which ones you should avoid (especially in the herb category). Look at the tables at the bottom: http://pcs.hmc.washington.edu/Epilepsy/EpiInfo/CAM.html
 

Ruth

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Thank you very much Endless. I bookmarked it.

I always do research on an herb before I take it. Some are very poisonous, others are harmful and some are helpful. Some medications come from herbs, like aspirin. It comes from the bark of the willow tree. Aspirin causes bleeding and ulcers. Valium comes from a natural root. In me, it causes high blood pressure and an increase in seizures. I cannot remember the name of the root.

Some of the medicines on the market, came from herbs. Not all of them.
 
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