DrugInfoSys

Mepacrine (HCl)

Drug #1737

Mepacrine (HCl) is an antiprotozoal agent. Mepacrine (HCl) is an acridine derivative, widely used during the second world war as an antimalarial agent, but now Mepacrine (HCl) is no longer used for this purpose, rather more safer and newer drugs are preferred. Mepacrine (HCl) is mainly used for the treatment of giardiasis. It has also been used locally for the treatment of certain cutaneous leishmaniasis.

Primary Characteristics

Molecular Weight: 508.91 · Solubility in Water: 2.8gm/100ml · Non-proprietary name: Mepacrine (HCl).

Molecular structure of Mepacrine (HCl)

Pharmacokinetics

Distribution: Mepacrine (HCl) has a plasma protein binding is 80-90%.

Elimination: plasma half-life is 5-14 days, renal excretion is Urine.

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Indications

Mepacrine (HCl) is primarily indicated in conditions like Discoid lupus erythematosus, Giardiasis.

Contraindications

Mepacrine (HCl) is contraindicated in conditions like Psoriasis, Alcohol abuse, Hypersensitivity to the drug.

Dosage

Mepacrine (HCl)'s dosage details are as follows:

DoseSingle DoseFrequencyRouteInstructions
Adult Dosage
100 mg100 mgEvery 8hPOShould be given for 5 to 7 days.
Paediatric Dosage (20kg)
2 mg/kg2 mg/kgMaximum 300mg daily.
Neonatal Dosage (3kg)
No data.

Drug Interactions

2 interactions

Always consult your physician for the change of dose regimen or an alternative drug of choice that may strictly be required.

Side Effects

Mepacrine (HCl) is known to cause more or less tolerable side effects which are usually transient. These include CNS stimulation, Dizziness, GI disturbance, Headache, Nausea and vomiting, Transient acute toxic psychosis, Yellow discolortaion of skin and urine.

Warnings / Precautions

Mepacrine (HCl) should be used with caution in patients with hepatic impairment; elderly, history of psychosis. Avoid in psoriasis.Porphyria

Available Brands

None recorded.

Drug Classification

  1. 1.6.4.3Antimalarials