HCQS 400 Mg

Last Updated on 06/16/2026 ✔ Medically Reviewed by Dr. Arjun Srivastav

What Is HCQS 400 Mg?

HCQS 400 mg contains Hydroxychloroquine Sulphate 400 mg, a prescription medicine used to treat autoimmune diseases and certain other conditions.

HCQS 400 mg is a medicine for two main autoimmune conditions, which are arthritis and systemic erythematosus lupus. After research at the GMA, scientists have approved the medicine for these use cases as per human trials.

This medicine begins its effects by reducing the signs such as symptoms, inflammation, and redness.

As per studies, it helps to control the levels of diabetes and prevents your blood sugar levels from growing severely in the type-2 stage.

In this case, it works by increasing the effects of the hormone insulin and beta cell functions, as we shall find out in more detail in the next few sections.

Composition

The chief generic element inside the medicine is Hydroxychloroquine from the class of 4-aminoquinoline group of medicines.

Manufacturer

Ipca Laboratories Ltd

Onset Of Action

✓ Beginning of effects:

The drug usually starts to absorb and begin its effects within 1 to 2 hours of taking the medicine.

✓ Peak plasma levels:

Hydroxychloroquine generally reaches its highest concentration in your blood within 3 to 4 hours of taking the pill.

✓ Removal of action and half-life:

The drug slowly reduces its action and reaches its half-life within 6 to 8 hours of taking the medicine.

✓ Complete removal:

For complete removal of the drug from your body, it takes about 20 to 24 hours.

✓ Visual changes:

After taking the medicine, you start to see a reduction in symptoms such as swelling or pain, usually within 2 to 3 hours of taking the medicine.

How Does HCQS 400 Mg Work?

Hydroxychloroquine helps reduce abnormal immune system activity, decreasing inflammation, pain, swelling, and tissue damage associated with autoimmune diseases.

✓ For autoimmune conditions, such as lupus and arthritis:

In the case of arthritis and lupus, the medicine has many effects. At first, this medicine gives relief from issues like pain, swelling, and redness in the patient. It slows down the damage to bones and healthy tissues of the body.

✓ For diabetes type-2:

In the case of type-2 diabetes, due to an autoimmune condition, the excess work of the immune T cells causes harm to the body’s health.

In this case, it slowly increases the action of the insulin hormone and beta cell action.

What Is The Dosage Of HCQS 400 Mg?

✓ Method of use:

To use it, all you have to do is swallow the medicine with water. Avoid taking the medicine with water and swallow the medicine entirely.

✓ With or without food:

Doctors will always suggest you take the medicine after a meal.

For Adults:

✓ In case of lupus and arthritis:

A single dose of 400 mg for mild to moderate issues or two pills taken 12 hours apart. Doctors can also recommend a higher strength, such as 600 mg or 800 mg, taken one time daily.

✓ In case of diabetes type-2:

Need to use a single dose of 200 mg to 400 mg daily before meals.

For Children:

• In case of children, en the doctors have to assess the conditions and check the age and weight of the child.
• Whether it is for lupus, arthritis, or type-2 diabetes, the doctors do not recommend more than 6.5 mg per kg of body weight.

Overdose:

Avoid excess use or using a higher strength beyothe nd doctor’s recommendation, as it can result in many side effects.

Missed dose:

Do not miss taking your dose ever. It is critical to take your pill on time and take it for the full course, which helps you to get the best results.

Benefits Of Taking HCQS 400 Mg (Hydroxychloroquine) Pills

• Take exactly as prescribed by your doctor.
• Usually taken with food or after meals to reduce stomach upset.
• Swallow the tablet whole with water.
• Do not stop treatment without consulting your doctor, especially for long-term conditions.
• Using HCQS 400 mg helps to relieve the signs associated with autoimmune conditions.
• In addition, it deals with conditions like arthritis and lupus in the long term.
• It also helps to control your type-2 diabetes and keeps blood sugar in check.

Are There Any Drug Interactions For HCQS?

• Heart rhythm medicines like Sotalol and Amiodarone can prolong the QT interval, increasing the risk of arrhythmia.
• Diabetic medicines like glimepiride or Metformin, which can increase their effects with HCQS, resulting in sudden blood sugar fall or hypoglycemia risks.
• Antacids with magnesium salt, which can reduce the action of HCQS, resulting in little to no effects.
• Anti-seizure medicines like Phenytoin or Carbamazepine reduce their action and increase the risks of seizures and fits.
• Antibiotics like Azithromycin or Clarithromycin, which can increase the risks of heartbeat issues.
• Tamoxifen, which may increase the risk of retinal damage.

What Are The Major Warnings For Using HCQS?

✓ Pregnancy:

The HCQS 400 mg is safe to use during pregnancy as no severe harmful interactions have been found.

However, since you do not want to harm the development of the fetus, you should always be under the recommendation throughout this period.

✓ Breastfeeding:

Use of the HCQS 400 mg is safe during breastfeeding. Through a few limited studies, no major interactions were found for the health of the mother or the infant.

✓ Addictions:

Use of addictive substances, such as severe smoking or drinking, can make matters worse for you.

In addition, as per studies, taking alcohol after the medicine makes it less effective and slower to take effect.

✓ Driving:

Use of the HCQS 400 mg pill is not safe at the time of driving as it can make the patient feel tired, sleepy, or drowsy.

Even if you have to drive after a few hours of using the medicine, try to avoid taking it, as it is better to use it only when you are at home.

When Not To Use HCQS?

✓ Heart disorders or surgeries:

Tell the doctors if you are suffering from arrhythmia, other cardiovascular health issues, or high BP and are taking medicines for it.

Do not forget to mention if you had a stroke or heart attack in the last 6 to 8 months. Doctors may not recommend HCQS right after a heart surgery due to the risk of arrhythmia.

✓ Severe kidney disorder:

Mention the doctors of any kidney disorders like Nephritis, kidney failure, and when you are undergoing dialysis or Diabetic ketoacidosis.

✓ Severe eye disorder:

If you already have vision disorders, suffer from blurred vision issues, or have eye infections or retinal damage, this medicine may not be safe due to risks of similar side effects.

✓ Allergic tendency:

Sometimes, the occurrence of side effects like rashes and allergies or swelling of the body may indicate that the patient is allergic to using the tablet. What it means is that your body is not able to sustain the effects of Hydroxychloroquine.

Storage And Disposal Of HCQS:

• Store HCQS tablets at room temperature, typically between 20°C and 25°C (68°F to 77°F).
• Keep the medication in its original container with the lid tightly closed.
• Protect it from excessive heat, moisture, and direct sunlight.
• Do not store HCQS in bathrooms or other damp areas.
• Keep the medicine out of the reach of children and pets.
• Avoid exposing the tablets to extreme temperatures during travel or storage.

Where Can You Buy HCQS 400 Mg In Australia?

You can buy the HCQS 400 mg in Australia from a safe online portal approved by the TGA, such as AustraliaRXMeds.

You can rely on trusted platforms such as australiarxmeds.com for secure and discreet delivery across Australia.

HCQS 400 is available for online purchase through pharmacy websites, but it’s important to choose reputable and licensed sellers to guarantee product quality, authenticity, and safety.