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(phosphate) Tablets, USP
WARNING: PHYSICIANS SHOULD COMPLETELY FAMILIARIZE THEMSELVES WITH THE COMPLETE CONTENTS OF THIS LEAFLET BEFORE PRESCRIBING PRIMAQUINE PHOSPHATE.
Primaquine phosphate is 8-[(4-Amino-1-methylbutyl) amino]-6-methoxyquinoline phosphate, a synthetic compound with potent antimalarial activity. Each tablet contains 26.3 mg of Primaquine phosphate (equivalent to 15 mg of primaquine (phosphate tablets) base). The dosage is customarily expressed in terms of the base.
Inactive Ingredients: Carnauba Wax, Hydroxypropyl Methylcellulose, Lactose, Magnesium Stearate, Microcrystalline Cellulose, Polyethylene Glycol 400, Polysorbate 80, Pregelatinized Starch, Red Ferric Oxide , Talc, Titanium Dioxide.
What are the possible side effects of primaquine ()?
Stop taking primaquine and seek emergency medical attention if you experience an allergic reaction (flushing; swelling of your lips, tongue, or face, difficulty breathing; closing of your throat; vision problems; a rash; or itching).
Notify your doctor if you experience darkening of your urine.
Nausea, stomach pain or upset, vomiting, and loss of appetite may also occur during therapy.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at...
What are the precautions when taking phosphate tablets (Primaquine)?
Before taking primaquine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: immune system disease (such as lupus, rheumatoid arthritis), blood problems (such as low white blood cell counts, anemia), history of blood problems due to primaquine (such as hemolytic anemia, methemoglobinemia), personal/family history of favism, low levels of certain blood enzymes (glucose-6-phosphate dehydrogenase-G6PD, NADH methemoglobin reductase).
Your doctor may order a blood test to see if you have any enzyme...
Last reviewed on RxList: 9/25/2008
This monograph has been modified to include the generic and brand name in many instances.
Additional Primaquine Information
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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