Begin 1-2 days before travel, daily during travel, and for 7 days after leaving. Take this medicine exactly as directed by your doctor. Plaquenil myasthenia gravis Hypoglycemia due to maternal plaquenil Thrombocytopenia plaquenil The dosage of chloroquine phosphate is often expressed in terms of equivalent chloroquine base. Each 500 mg tablet of ARALEN contains the equivalent of 300 mg chloroquine base. In infants and children the dosage is preferably calculated by body weight. Malaria. Suppression — Adult Dose 500 mg = 300 mg base on exactly the same day of each week. The standard dosage for malaria treatment in children is based on the child's weight. Children are usually given a loading dose of 16.7 mg per kg body weight about 7.6 mg per pound of body weight, followed by 8.3 mg per kg about 3.8 mg per pound at 6, 24, and 36 hours after the loading dose. Malaria. Prevention 500 mg 300 mg base PO once/week. Non-chloroquine-resistant. 1 g 600 mg base PO, THEN; 500 mg 300 mg base PO 6-8 hours later, THEN; 500 mg 300 mg base PO at 24 hours & 48 hours after initial dose; Amebiasis, Extraintestinal. 1 g 600 mg base PO qDay for 2 days, THEN. 500 mg 300 mg base qDay for 14-21 days To do so may increase the chance of serious side effects. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. Aralen malaria doses Chloroquine - Wikipedia, Chloroquine Dosage - Malaria Home Page Chloroquine injection dose in malariaInj chloroquine dosage Dosage And Administration The dosage of chloroquine phosphate is often expressed or calculated as the base. Each 250 mg tablet of Aralen is equivalent to 150 mg base. In infants and children the dosage is preferably calculated by body weight. Malaria Suppression In adults, 500 mg 300 mg base on exactly the same day of each week. Aralen Chloroquine -. Aralen, Chloroquine phosphate chloroquine dosing.. Medicines for the Prevention of Malaria While Traveling.. Common side effects include. Irreversible damage to the retina. Deafness. Tinnitus ringing in the ears Reduced hearing. Increased liver enzymes. Anorexia. Nausea. Vomiting. Diarrhea. Doxycycline This daily pill is usually the most affordable malaria drug. You start taking it 1 to 2 days before your trip and continue taking it for 4 weeks afterward. Side effects include upset stomach, bad reactions to the sun and, if you’re a woman, yeast infections. Damage to the retina, the light sensitive portion of the inner eye, can occur with long-term use of Plaquenil or chloroquine Aralen. With Plaquenil, however, the most commonly prescribed anti-malarial, this sort of damage occurs only in 1 out of 5,000 people who take the drug for five years or more.