While Nitrofurantoin and alcohol do not have any known interactions, it is still not a good idea to mix the two. Moderate alcohol consumption (one glass a day for women and two glasses a day for men) has been shown to have no negative effect on Nitrofurantoin. However, if you drink excessive amounts, it could cause serious health problems and may reduce the drug’s effectiveness.
If you do plan to alcohol, no matter how little, you should let your doctor know. There may be other health considerations, beyond this one drug, that need to be considered.
If you are using Nitrofurantoin to treat a bladder or urinary tract infection you need to abstain from alcohol. Alcohol can exacerbate the infection, which can alter the effectiveness of the medication, and increase the length of time for recovery.
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Another reason to avoid alcohol while taking any medication, is that is can delay you from noticing any adverse side effects. These side effects could be serious, so it’s important to remain as alert as possible, so you realise of you experience any.
If you are not sure if you are drinking too much in your situation, then consult your doctor about it. Your doctor will be able to tell you how much alcohol is acceptable for your condition and what other substances you need to abstain from while your body is healing.
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