Controlled studies in pregnant women show no evidence of fetal risk. Either animal studies show no risk but human studies not available or animal studies showed minor risks and human studies done and showed no risk. Animal studies show risk and human studies not available or neither animal nor human studies done. Contact the applicable plan provider for the most current information. D: Use in LIFE-THREATENING emergencies when no safer drug available. What is in chloroquine Plaquenil and arthritis Tell your doctor if any of these symptoms are severe or do not go away headache. loss of appetite. diarrhea. upset stomach. stomach pain. skin rash or itching. hair loss. mood or mental changes. Along with its needed effects, chloroquine the active ingredient contained in Aralen Phosphate may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking chloroquine Incidence. Know about technical details of Aralen Diphosphate like chemical name, chemistry structure, formulation, uses, toxicity, action, side effects and more at Active against erythrocytic forms of Plasmodium vivax & P. malariae and most strains of Plasmodium falciparum Precise mechanism not known Bioavailability: ~89% Peak plasma time: 1-2 hr Distributed widely in body tissues (eg, eyes, heart, kidneys, liver, lungs) where retention prolonged; crosses placenta; enters breast milk Partially in liver Half-life: 3-5 days Excretion: urine (~70% as unchanged drug); acidification of urine increases elimination Small amounts may be present in urine months following discontinuation of therapy The above information is provided for general informational and educational purposes only. Aralen phosphate side effects Aralen Chloroquine Phosphate - PricePro Pharmacy, Aralen Phosphate Side Effects Common, Severe, Long Term. Plaquenil preeclempsis antiphospholipid Generic Aralen. CHLOROQUINE is used to treat or prevent malaria infections. It is also used to treat amebiasis. The lowest GoodRx price for the most common version of chloroquine phosphate is around $23.11, 75% off the average retail price of $93.55. Chloroquine Phosphate Side Effects - GoodRx. Aralen Diphosphate Drug Information, Uses, Side Effects.. Aralen phosphate adverse effects - Answers on HealthTap. Other adverse reactions and side effects of Aralen There have been rare reports of severe skin reactions such as erythema multiforme. Chloroquine may precipitate a severe attack of psoriasis in patients with psoriasis. People with retinal or visual field changes should not use chloroquine. Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Jun 12, 2015 Aralen comes in tablet form. Take this medication with food to minimize stomach upset. Aralen is taken once or twice a day. If used for the prevention of malaria, it is taken once a week beginning 2 weeks prior to traveling to an area where malaria is common. Common side effects include headache, loss of appetite, diarrhea, and upset stomach.