Generated automatically from the NAFDAC register, WHO alerts and community data as of today. This is not medical advice. Always follow your doctor or pharmacist.
From the official U.S. FDA label for methyldopa, the active ingredient registered with NAFDAC.
Hypertension.
Sedation, usually transient, may occur during the initial period of therapy or whenever the dose is increased. Headache, asthenia, or weakness may be noted as early and transient symptoms. However, significant adverse effects due to methyldopa have been infrequent and this agent usually is well tolerated. The following adverse reactions have been reported and, within each category, are listed in order of decreasing severity. Cardiovascular : Aggravation of angina pectoris, congestive heart failure, prolonged carotid sinus hypersensitivity, orthostatic hypotension (decrease daily dosage), edema or weight gain, bradycardia. …
Methyldopa is contraindicated in patients: – with active hepatic disease, such as acute hepatitis and active cirrhosis. – with liver disorders previously associated with methyldopa therapy (see WARNINGS ). – with hypersensitivity to any component of this product. – on therapy with monoamine oxidase (MAO) inhibitors.
It is important to recognize that a positive Coombs test, hemolytic anemia, and liver disorders may occur with methyldopa therapy. The rare occurrences of hemolytic anemia or liver disorders could lead to potentially fatal complications unless properly recognized and managed. Read this section carefully to understand these reactions. With prolonged methyldopa therapy, 10% to 20% of patients develop a positive direct Coombs test which usually occurs between 6 and 12 months of methyldopa therapy. Lowest incidence is at daily dosage of 1 g or less. This on rare occasions may be associated with hemolytic anemia, which could lead to potentially fatal complications. …
Pregnancy Teratogenic Effects . Reproduction studies performed with methyldopa at oral doses up to 1000 mg/kg in mice, 200 mg/kg in rabbits and 100 mg/kg in rats revealed no evidence of harm to the fetus. These doses are 16.6 times, 3.3 times and 1.7 times, respectively, the maximum daily human dose when compared on the basis of body weight; 1.4 times, 1.1 times and 0.2 times, respectively, when compared on the basis of body surface area; calcula …
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Alphamet 250 Tablets contains Methyldopa (250 mg), as tablet, according to its NAFDAC registration record.
Yes. Alphamet 250 Tablets is listed on the NAFDAC register under registration number B4-4976, and its registration is active as of 28 October 2026.
No WHO falsified or substandard medical product alert currently matches Alphamet 250 Tablets in our automatically synced alert list.
Run a free authenticity scan with the NAFDAC number B4-4976, your pack's expiry date and batch number to get a Trust Score, compare the pack with the NAFDAC record (ingredient, strength, form, manufacturer), and buy only from licensed pharmacies.
Hypertension. (Summarised from the official U.S. FDA label for methyldopa. Always follow your doctor or pharmacist.)
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