It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. And caution is required if patients have certain heart conditions, diabetes, psoriasis etc. Oct testing in plaquenil macular toxicity Chloroquine phopshate usp Chloroquine osteoarthritis The effect lasts up to 36 hours it gives for most men to be relaxed and confident in one's sexual drive. If digitalis has also been administered, hydroxychloroquine sulphate bp 200mg hypokalemia may accentuate cardiac arrhythmias. Anaesthetics Care should be taken when anaesthetic agents are used with atenolol. The more common side effects that can occur with hydroxychloroquine include headache. dizziness. diarrhea. stomach cramps. vomiting. For the Consumer. Continuing ringing or buzzing or other unexplained noise in the ears. feeling of constant movement of self or surroundings. irritability. nausea. nervousness. nightmares. sensation of spinning. shakiness and unsteady walk. uncontrolled eye movements. unsteadiness, trembling, or. The most serious adverse effects affect the eye, with dose-related retinopathy as a concern even after hydroxychloroquine use is discontinued. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. Chloroquine sulphate 200mg side effects Mint-Hydroxychloroquine - Uses, Side Effects, Interactions., Hydroxychloroquine Side Effects, Dosage, Uses, and More Plaquenil and back pain Objective To assess the efficacy of chloroquine Aralen phosphate and hydroxychloroquine Plaquenil sulfate in the treatment of patients with neurosarcoidosis who either do not respond to corticosteroid therapy or develop unacceptable side effects. Design Retrospective study. Setting. Effectiveness of Chloroquine and Hydroxychloroquine in.. Hydroxychloroquine Side Effects Common, Severe, Long Term.. Hydroxychloroquine Uses, Dosage & Side Effects -. Hydroxychloroquine sulfate tablets, USP are white, to off-white, capsule-shaped tablets, debossed "HCQS" on one side and plain on the reverse side and are available in bottles of 10, 100, 5. Each tablet contains 200 mg hydroxychloroquine sulfate, USP equivalent to 155 mg base. Overdosage with chloroquine is dangerous and may lead to death within a few hours. Small children seem to be particularly sensitive to the adverse effects of chloroquine. Acute overdosage can cause headache, gastro-intestinal disturbances, drowsiness, dizziness, a fall in blood pressure. RARE side effects. If experienced, these tend to have a Severe expression. Abnormal Liver Function Tests. Acute Liver Failure. Acute Pustular Eruptions On Skin. Bronchospasm. Decreased Blood Platelets. Decreased White Blood Cells.