Drug information provided by: IBM Micromedex
If you will be taking this medicine for a long time, it is very important that your doctor check your progress at regular visits. This is to make sure that the infection is cleared up completely, and to allow your doctor to check for any unwanted effects. Your doctor may check your blood, urine, eyes, ears, and knee or ankle reflexes during or after using this medicine.
If your symptoms do not improve within a few days, or if they become worse, check with your doctor.
This medicine may cause heart problems and changes in your heart rhythm. Check with your doctor right away if you have chest pain or tightness, decreased urine output, dilated neck veins, extreme fatigue, swelling of the face, fingers, feet, or lower legs, troubled breathing, or weight gain. You may also feel dizzy or faint, or you may have a fast, pounding, or uneven heartbeat.
This medicine may cause hypoglycemia (low blood sugar), which may be life-threatening. Low blood sugar must be treated before it causes you to pass out (unconsciousness). People feel different symptoms of low blood sugar. It is important that you learn which symptoms you usually have so you can treat it quickly. Talk to your doctor about the best way to treat low blood sugar.
Chloroquine may cause vision problems. It may also make you dizzy or lightheaded. Do not drive or do anything else that could be dangerous until you know how this medicine affects you. . If these reactions are especially bothersome, check with your doctor.
Check with your doctor immediately if blurred vision, difficulty with reading, or any other change in vision occurs during or after treatment. Your doctor may want your eyes be checked by an ophthalmologist (eye doctor).
This medicine may cause extrapyramidal disorders (eg, dystonia, dyskinesia, tongue protrusion, torticollis). Check with your doctor right away if you have the following symptoms after using the medicine: difficulty in speaking, drooling, loss of balance control, muscle trembling, jerking, or stiffness, restlessness, shuffling walk, stiffness of the limbs, twisting movements of the body, or uncontrolled movements, especially of the face, neck, and back.
Using this medicine for a long time may cause muscle weakness. Check with your doctor right away if you have muscle weakness while using this medicine.
Children are very sensitive to this medicine, and accidental overdoses have occurred with small amounts of chloroquine. Keep this medicine out of the reach of children.
Check with your doctor right away if you have continuing ringing or buzzing or other unexplained noise in the ears or hearing loss while using this medicine.
While you are being treated with chloroquine, do not have any immunizations (eg, rabies vaccine) without your doctor's approval.
Malaria is spread by the bites of certain kinds of infected female mosquitoes. If you are living in or will be traveling to an area where there is a chance of getting malaria, the following mosquito-control measures will help to prevent infection:
If possible, avoid going out between dusk and dawn because it is at these times that mosquitoes most commonly bite.
Remain in air-conditioned or well-screened rooms to reduce contact with mosquitoes.
Wear long-sleeved shirts or blouses and long trousers to protect your arms and legs, especially from dusk through dawn when mosquitoes are out.
Apply insect repellent, preferably one containing DEET, to uncovered areas of the skin from dusk through dawn when mosquitoes are out.
If possible, sleep in a screened or air-conditioned room or under mosquito netting, preferably coated or soaked with pyrethrum, to avoid being bitten by malaria-carrying mosquitoes.
Use mosquito coils or sprays to kill mosquitoes in living and sleeping quarters during evening and nighttime hours.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.