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HCQS 400 Tablet

Tablet
Rs.221.10for 1 strip(s) (15 tablets each)
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Composition FOR HCQS 400mg Tablet

Hydroxychloroquine(400mg)

food interaction for HCQS Tablet

alcohol interaction for HCQS Tablet

pregnancy interaction for HCQS Tablet

lactation interaction for HCQS Tablet

food
alcohol
pregnancy
lactation
HCQS 400 Tablet should be taken with or after food.
None
CAUTION
Alcohol should be used with caution while taking HCQS 400 Tablet.
CAUTION
HCQS 400 Tablet is not recommended during pregnancy as there is positive evidence of fetal risk based on animal studies. However, it may still be prescribed by a doctor in situations where the benefits outweigh the risks.
CONSULT YOUR DOCTOR
HCQS 400 Tablet should be used with caution during breastfeeding. Breastfeeding should be held until the treatment of the mother is completed and the drug is eliminated from the body.
CAUTION

SALT INFORMATION FOR HCQS 400mg Tablet

Hydroxychloroquine(400mg)

Hcqs tablet uses

{med_name} is used in the treatment of rheumatoid arthritis and systemic lupus erythematosus.

How hcqs tablet works

HCQS 400 Tablet is a Disease Modifying Anti-Rheumatoid Drug (DMARD). It works by suppressing the overactivity of the immune system that causes inflammation (swelling) and pain in the joints. This slows the progression of the underlying disease. It has also been suggested that hydroxychloroquine may increase insulin sensitivity and improve beta-cell function, thereby improving glycemic control in patients with type 2 diabetes mellitus.

Common side effects of hcqs tablet

Skin rash, Abdominal pain, Blurred vision, Headache, Decreased appetite, Diarrhea, Vomiting, Nausea, Emotional lability

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Expert advice FOR HCQS Tablet

  • Consider taking Hydroxychloroquine with food to avoid an upset stomach.
  • It can take 8-12 weeks for Hydroxychloroquine to work. Keep taking it as prescribed.
  • Do not take medicines that neutralise stomach acids (antacids) four hours before and after taking Hydroxychloroquine as they can stop the medicine from being absorbed properly from your gut.
  • Have regular eye tests done while taking this medicine. Stop taking it and inform your doctor immediately if you notice any changes in your vision.
  • It can lower the blood glucose level. Inform your doctor if you experience hypoglycemia symptoms such as cold sweats, cool, pale skin, tremor, and anxious feelings.

Frequently asked questions FOR HCQS 400mg Tablet

Hydroxychloroquine

Q. Is HCQS 400 Tablet effective against novel coronavirus infection?
HCQS 400 Tablet is currently under study in various clinical trials (research studies in human beings) for the prevention of novel coronavirus infection and treatment of patients with COVID-19 (the illness caused by the novel coronavirus). This medicine has shown some activity against the novel coronavirus in laboratory studies (in vitro studies). However, further evidence is required to conclude that HCQS 400 Tablet is effective against the novel coronavirus.
Q. Can HCQS 400 Tablet be used for the prophylaxis of the novel coronavirus infection?
The national task force for COVID-19 (constituted by ICMR) has recommended the use of HCQS 400 Tablet for the prevention of novel coronavirus infection ONLY in certain high-risk populations (i.e., people at high risk of exposure to the virus) or emergencies. It can be used for prophylaxis in case of asymptomatic healthcare workers involved in the care of suspected or confirmed cases of COVID-19 and asymptomatic household contacts of laboratory-confirmed cases.
Q. Do we need to maintain a stock of HCQS 400 Tablet?
No, we do not have to maintain a stock of HCQS 400 Tablet. If you suspect that you have contracted the novel coronavirus infection, consult a doctor immediately and strictly follow their advice. Do not self-administer HCQS 400 Tablet. Keep in mind that this medicine needs to be taken only if prescribed by a registered medical practitioner.
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Q. What is the recommended dose for preventing coronavirus?
HCQS 400 Tablet is only recommended for preventing coronavirus infection in certain high-risk groups or emergencies. It should strictly be taken as per the dose, frequency, and duration prescribed by your doctor.
Q. How to take the HCQS 400 Tablet?
HCQS 400 Tablet should be taken with food or a glass of milk to prevent an upset stomach and nausea. Take it as directed by the doctor, following the prescribed dose and duration, and complete the entire course. It should be used regularly as advised by your doctor. Do not stop taking it without talking to your doctor first. If you have also taken antacids, then take HCQS 400 Tablet at least 4hours before or after these products.
Q. What to do if someone becomes symptomatic or shows symptoms of novel coronavirus while taking HCQS 400 Tablet?
Any person who has been prescribed HCQS 400 Tablet and develops symptoms of novel coronavirus infection (such as high fever, dry cough, tiredness, difficulty in breathing) while taking HCQS 400 Tablet should immediately consult their doctor. Your doctor will advise if you need to get tested for the novel coronavirus and if you need to be isolated. Follow all the instructions from your doctor.
Q. How long does it take for HCQS 400 Tablet to start working?
HCQS takes some time to show its effects. It may even take a few weeks or months before you see an improvement in your symptoms of rheumatoid arthritis or other autoimmune diseases. However, it is important that you be patient and keep taking this medication regularly. Your doctor may prescribe some additional medications in the interim for temporary relief from the symptoms.
Q. Does HCQS 400 Tablet have any effect on vision?
Yes, though uncommon, HCQS can affect vision, especially if taken at higher doses or for a period of time (> 5 years). The symptoms include reading or seeing difficulties (words, letters, or parts of objects missing), sensitivity to light, blurred distant vision, and seeing light flashes or streaks. If you notice any of these symptoms, consult your doctor immediately. Your doctor may carry out various eye tests and then decide if HCQS 400 Tablet needs to be discontinued. You may also be advised to get certain eye tests done periodically if you have been prescribed HCQS.
Q. Do I need to get any tests done during HCQS 400 Tablet treatment?
An eye test is required before your treatment with HCQS starts and should be repeated every 12 months. Also, your doctor may advise you to get your blood counts (CBC) and liver function test (LFT) checked regularly. Your doctor may discontinue HCQS if any abnormality is detected.
Q. Do I need to be careful with HCQS 400 Tablet if I am a diabetic?
Yes, you need to be careful while using HCQS if you have diabetes. HCQS can lower your blood glucose levels to dangerous levels, so much so that you may even lose consciousness(severe hypoglycemia). Keep a regular check on your blood glucose levels, and if it starts to fall, contact your doctor immediately. Your doctor may alter the doses of your anti-diabetic medications as per your blood glucose levels.
Q. I have been on antacids for a long time, which is necessary for me. Can I still take HCQS 400 Tablet?
Yes, you can take HCQS, provided you keep a gap of at least 4 hours between HCQS and antacid. If this gap is not maintained, then the antacid may interfere with the absorption or working of HCQS. As a result, you may not experience the full benefits of HCQS.

Content on this page was last updated on 12 September, 2026, by Dr. Mekhala Chandra (MD, MBBS)