Sulfamin Tablet

Pyrimethamine + Sulfadoxine
25mg + 500mg
Jayson Pharmaceuticals Ltd.
Pack size 30's pack
Unite Price 4.4 BDT

Indications

Sulfamin Tablet is used for: Chloroquine-resistant falciparum malaria

Adult Dose

Oral Chloroquine resistant falciparum malaria acute attack Adult: Per tab contains pyrimethamine 25 mg and sulfadoxine 500 mg: 2-3 tabs as a single dose. Do not repeat for at least 7 days. Malaria Prophylaxis 1 tablet qWeek OR 2 tablets q2Weeks Hepatic impairment: Dose reduction may be needed. Severe: contra-indicated.

Child Dose

Oral Chloroquine resistant falciparum malaria acute attack Child: Pyrimethamine 25mg + Sulfadoxine 500mg (Tablet): <2 yr (5-10 kg): ½ tab as a single dose; 2-5 yr (>10-20 kg): 1 tab as a single dose; 5-10 yr (< 20-30 kg): 1½ tab as a single dose; 10-14 yr (> 30-45 kg): 2 tab as a single dose. Do not repeat for at least 7 days. Malaria Prophylaxis 5-10 kg: 0.25 tablet 11-20 kg: 0.5 tablet 21-30 kg: 0.75 tablet 31-45 kg: 1 tablet >45 kg: 1.5 tablet

Renal Dose

Renal impairment: Dose reduction may be needed. Severe: contra-indicated.

Administration

Swallow tablet whole with plenty of fluids after a meal Maintain adequate fluid intake to avert crystalluria or stone formation Prophylaxis: take 1st dose 1-2 days before arrival to endemic area, continue throughout stay & 4-6 weeks after return

Contra Indications

Severe renal or hepatic impairment, blood dyscrasias, hypersensitivity to components, megaloblastic anaemia due to folate deficiency, pregnancy at term and during lactation, infants ? 2 mth old.

Precautions

Impaired renal or hepatic function, folate deficiency, severe allergy or bronchial asthma, G6PD deficiency, pregnancy. Take with plenty of water to prevent crystalluria. Avoid excessive exposure to sun. Discontinue at the first sign of rash. Discontinue if signs of folic acid deficiency develops. Regular CBC monitoring, LFT, analysis of urine for crystalluria when admin for > 3 mth. Take with food to minimise Gi effects (e.g. anorexia and vomiting). Lactation: enters breast milk, contraindicated

Pregnancy-Lactation

Pregnancy Category: C Lactation: enters breast milk, contraindicated

Interactions

Increased halofantrine and chlorpromazine levels. Increased effects of warfarin. Potentially Fatal: Increased risk of myelosupression with zidovudine, clozapine.

Side Effects

Side effects of Pyrimethamine + Sulfadoxine : Urticaria, serum sickness, photosensitisation, arthralgia, nausea, vomiting, abdominal pain, diarrhoea, headache, peripheral neuritis, ataxia, tinnitus, vertigo, convulsions, toxic nephrosis and pulmonary infiltrates resembling eosinophilic or allergic alveolitis. Potentially Fatal: Stevens-Johnson syndrome, toxic epidermal necrolysis, fulminant hepatic necrosis, blood dyscrasias, anaphylactoid reactions.

Mode of Action

Pyrimethamine, a folic acid antagonist, inhibits the reduction of dihydrofolic acid to tetrahydrofolic acid (folinic acid). Sulfadoxine, a structural analog of p-aminobenzoic acid (PABA), competitively inhibits dihydrofolic acid synthesis which is important for PABA conversion to folic acid. This combination results in a synergistic action against susceptible plasmodia. Both have prolonged half-lives enabling single dose admin.

Note

Sulfamin 25mg + 500mg Tablet generic name is Pyrimethamine + Sulfadoxine. Sulfamin 25mg + 500mg Tablet is manufactured by Jayson Pharmaceuticals Ltd.Sulfamin is availble in all over Bangladesh. Mes BD drug index information on Sulfamin Tablet is not intended for diagnosis, medical advice or treatment; neither intended to be a substitute for the exercise of professional judgment.

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