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Composition for CP

Chloroquine(100 mg),Primaquine(NA)

food interaction for CP

alcohol interaction for CP

pregnancy interaction for CP

lactation interaction for CP

There is no data available. Please consult doctor before consuming the drug.
Interaction with alcohol is unknown. Please consult your doctor.
Cp tablet is unsafe to use during pregnancy.
There is positive evidence of human fetal risk, but the benefits from use in pregnant women may be acceptable despite the risk, for example in life-threatening situations. Please consult your doctor.
Cp tablet is probably unsafe to use during breastfeeding. Please consult your doctor.


Chloroquine(100 mg)


Chloroquine is used for the treatment and prevention of malaria. It may be used to treat amebiasis.

How it works

Chloroquine belongs to group of medicines called 4-aminoquinoline antimalarial. It acts by interfering with the growth of parasites in the red blood cells of the human body. 

Common side effects

Abdominal pain, Mood changes, Vomiting, Dizziness, Muscle weakness, Loss of appetite, Hair loss, Itching, Hearing disorder, Blurred vision, Visual disturbance, Headache, Bloating, Altered heart rate, Photopsia (presence of perceived flashes of light), Eye disorder, Drowsiness, Ringing in ear, Rash


Primaquine is used to treat and prevent repeated occurrence of symptoms of malaria.

How it works

Primaquine belongs to class of medicines called quinolone antimalarials. It works by killing the infection causing malarial parasite called Plasmodium vivax, Plasmodium ovale and Plasmodium falciparum.

Common side effects

Abdominal pain, Epigastric pain, Gastrointestinal discomfort, Vomiting, Nausea, Heartburn


No substitutes found

Expert advice for CP

  • Take this medication with meals or milk to decrease the risk of stomach upset.
  • This medication may cause blurred vision and may impair your thinking or reactions. Be careful while  driving doing  anything that requires you to be alert and able to see clearly.
  • Do not start or continue the chloroquine tablets, If you are allergic (hypersensitive) to chloroquine or any of the other ingredients of chloroquine tablet.
  • Do not start or continue the chloroquine tablets, if  you are pregnant or trying to become pregnant.
  • Check the blood glucose levels during the treatment with chloroquine.
  • Consult your doctor if you experience rash with eosinophilia and systemic symptoms (DRESS) syndrome after taking chloroquine.
  • Do not use long-term high dosage therapy unless no other drug is available. 
  • Eye examination prior to and at 3–6 monthly intervals during use is required if patients are receiving chloroquine at continuous high doses for longer duration.
  • Full blood counts should be carried out regularly. Caution is required if drugs which induce blood disorders are used concurrently.

Frequently asked questions for CP


Q. Is chloroquine a quinine/antibiotic/ contain sulpha/ is still used?
No, it is 4-aminoquinoline and not a quinine/antibiotic. It does not contain sulfa. It is used for the treatment of malaria (due to P. vivax, P.malariae, P. ovale, and susceptible strains of P. falciparum), prevention and suppression of malaria, amoebic hepatitis and abscess, discoid and systemic lupus erythematosus, rheumatoid arthritis.
Q. Is chloroquine available over the counter?
Yes, it is available over the counter.
Q. Is chloroquine safe in G6PD deficiency?
No, as there may be a risk of hemolysis in patients with G6PD deficiency. Always consult your doctor regarding its use.
Q. Is chloroquine banned in Nigeria?
Yes, it is banned in Nigeria.
Q. What is Lariago tablet/Lariago syrup/Lariago-DS/ Resochin used for?
These are the trade names of products containing the drug chloroquine and are used in the treatment of malaria.
Q. Does chloroquine affect birth control/ affect the birth control pill/contraceptive pill/ menstrual cycle?
No, it does not affect birth control/ affect birth control pill/contraceptive pill/ menstrual cycle. Patients should follow the advice of the doctor regarding its use.
Q. Does chloroquine cause nightmares/insomnia?
Chloroquine causing these side effects is rare or uncommon. Always consult your doctor for the change of dose regimen or an alternative drug of choice that may strictly be required.


Q. Is primaquine a sulfa drug/does primaquine contain sulfa?
No. Primaquine is neither a sulfa drug nor contain sulfa.
Q. Is primaquine safe?
Primaquine is safe if used at prescribed dose and duration as advised by your doctor.
Q. Is primaquine a prodrug?
Derivatives of primaquine are available in prodrug form, after metabolism primaquine gets converted into carboxyprimaquine.
Q. What is primaquine phosphate used for/ what does primaquine treat?
Primaquine is used to treat and prevent repeated occurrence of symptoms of malaria. 
Q. Why is primaquine given with clindamycin?
Primaquine and clindamycin are given together for the treatment of Pneumocystis pneumonia.
Q. Why is primaquine given in falciparum malaria?
Primaquine is active against primary erythrocytic stage of malarial parasite called Plasmodium falciparum, so it is given in falciparum malaria.
Q. Does primaquine treat chlamydia?
No. Primaquine is specifically used in the treatment of malaria and Pneumocystis pneumonia. Please follow your doctor’s advice regarding its use.


Content on this page was last updated on 27 July, 2015, by Dr. Varun Gupta (MD Pharmacology)