#EDUCATION: When is the right time to take drugs: Before, after or with meal? - WELCOME TO FACTS ZONE NEWSPAPERS



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#EDUCATION: When is the right time to take drugs: Before, after or with meal?

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Does eating before taking our drugs or taking them after a meal affect the efficacy of the drugs?
A number of us would have been told we should take our drugs after eating, on an empty stomach, or not to take certain drugs with certain foods. What are the factual bases of these instructions?
The truth is that such instructions are relative and depend on the type of medication, the requirements accompanying a particular medication, as well as the type of food we are taking.
Food Triggers Changes In The body
It is first important to understand that food might trigger changes in our body. These changes include increasing the blood supply in the gut, increasing bile and also the level of acidity. These changes that are linked to our eating habits determine medication absorption. Hence the food we eat and the drinks we take affect medication and the response of a person’s body to the medication.
Before or After?
Taking medication after eating or with food usually means taking medication 30 minutes to one hour after a meal. For medication such as non-steroidal anti-inflammatory drugs (NSAIDs) (ibuprofen, aspirin), metformin for diabetes and steroid medication, these need to be taken after eating.
With a few exceptions, and unless stated otherwise by a doctor, most anti-malaria medications are also taken with a meal. This is important because taking medicine after a meal not only ensures that medicine is absorbed into the bloodstream but also prevents side effects, stomach irritation and ulcers.
Taking medication on an empty stomach (before food) means at least two hours after a meal and one hour before a meal. Some of the medications that are required to be taken on an empty stomach include Antihistamines, used to treat allergies, thyroid hormones and bisphosphonates, used for bone protection. They are taken on an empty stomach because taking them while eating prevents the stomach from absorbing the medication.
Please note that in instances where you do not seek directions from the information provided on medication labels, always refer to a doctor or pharmacist for advice on taking medicine. The doctor’s extensive knowledge of a patient’s symptoms, their health history and specific health needs make them the first-line for advice.
How Some Foods Affect Some Drugs
On the other hand, some medicines can work better or are affected not only by the presence or lack thereof of food in the stomach but also the type of food or drink.
In 1989, a research group discovered that grapefruit and having grapefruit juice interacts and interferes with some types of medication. The medication that was found to be affected include statins that lower cholesterol, an anti-hypertensive medication, medication for heart arrhythmia, organ-transplant rejection medicines and anti-anxiety medicine.
An enzyme found in grapefruits known as CYP3A4 is responsible for reducing the level of absorption of medicines. This is particularly important as CYP3A4 is involved in the bioactivation of almost 50 per cent of all drugs. Therefore, when grapefruit juice is consumed, the effectiveness of the drug is reduced and it also augments the side effects of the medication.
Patients who take blood-thinning medication (anticoagulant) like warfarin, phenprocoumon and acenocoumarol were advised to avoid dietary vitamin K that can be found in leafy greens as it counteracts the effects of their medication. However, a recent systematic review later found that the effects of such foods were only detected for high vitamin K intake.
The review suggests 118 grams per day of raw lettuce green leaf (equivalent to about one and a half cups of raw lettuce), 106 grams per day of cooked broccoli (equivalent to about one and a quarter cups of cooked broccoli), or 30 grams per day of cooked spinach (equivalent to about one-eighth of a quarter cup of cooked spinach) as a moderate amount in your diet.

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