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Formost 400 Inhaler

Formoterol (6mcg)+ Mometasone (400mcg)

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Formost 400 Inhaler is used in the treatment of asthma (wheezing and shortness of breath) and chronic obstructive pulmonary disorder (a lung disorder in which the flow of air to the lungs is blocked). It relaxes the muscles of the air passages and making it easier to breathe.

Written By Dr. Sakshi Jain, MS, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 30 Jan 2026 | 12:22 PM (IST)

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120 MDI Inhaler

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Gurgaon

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General Information

Contains

Formoterol (6mcg)+ Mometasone (400mcg)

Marketer

Zydus Cadila

Storage

Store below 25°C

The content is shown in English

Product introduction

Your doctor will tell you how often you need to use your inhaler. The effect of this medicine may be noticeable after a few days but will only reach its maximum after a few weeks. This medicine must be used regularly to be effective, so go on taking it even if you don't have any symptoms. That means it’s doing its job. If you stop taking it your asthma and COPD may get worse. It should not be used to relieve sudden asthma attacks. If an asthma attack occurs, use your quick-relief inhaler (reliever). To get the benefit from this medicine you need to make sure you get your inhaler technique right, otherwise, it Does not work as well.

The most common side effects of Formost 400 Inhaler include sore throat and upset stomach. These effects are usually mild and may settle as the body adjusts to the medicine. If the symptoms persist, worsen, or cause discomfort, medical advice should be sought.

Ask your doctor whether it’s safe to take this medicine if you're pregnant or breastfeeding. Before taking it, you should tell your doctor if you have any kidney or liver diseases so that your doctor can prescribe a suitable dose for you.

Uses of Formost Inhaler

Chronic obstructive pulmonary disease (COPD)

Benefits of Formost Inhaler

Chronic obstructive pulmonary disease (COPD)
COPD (chronic obstructive pulmonary disease) is a group of lung diseases that cause breathing difficulties. COPD is caused by swelling of the airways that carry air in and out of the lungs. Formost 400 Inhaler relaxes the muscles of these airways and widens it. This makes you breathe easy and gives relief from symptoms such as tightness in your chest, shortness of breath, wheezing and coughing. Avoid smoking and minimise your exposure to pollution, dust and fumes. Along with that, a little exercise each day can help you stay strong. Talk to your doctor about how much exercise is good for you.

Side effects of Formost Inhaler

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Formost

Sore throat
Upset stomach

How to use Formost Inhaler

Check the label for directions before use. Shake the inhaler. While you are breathing in from mouth, press down on the inhaler one time to release the medication and hold your breath for 10 seconds. Repeat until you have inhaled the number of puffs as suggested by the doctor.Afterwards, rinse your mouth thoroughly with water and spit it out.

How Formost Inhaler works

Formost 400 Inhaler is a combination of two medicines: Formoterol and Mometasone. Formoterol is a long-acting bronchodilator which works by relaxing the muscles in the airways and widens the airways. Mometasone is a steroid. It works by stopping the release of certain chemical messengers that cause inflammation (swelling) of the airways. Together, they make breathing easier.

Quick tips

Formost 400 Inhaler is a combination of two medicines that opens the airways and makes it easier to breathe.
This medicine is for inhalation only. The tablet should not be swallowed.
It should be taken at the same time each day.
It does not work right away and should not be used to relieve sudden breathing problems. Use your rescue inhaler to control sudden difficulty in breathing.
Gargle with warm water after each inhalation to avoid any fungal infections in your mouth and throat.
Take the first dose of this medicine under medical supervision as it may cause wheezing or tightening of the airways (bronchospasm) immediately after using.
Your doctor may regularly monitor your blood potassium level as low oxygen level in the blood (hypoxia) and medicines such as Formost 400 Inhaler can lower blood potassium level.
Only miniscule amounts of Formost 400 Inhaler may get absorbed into the bloodstream after inhalation. Hence, serious side effects are unlikely.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Formost 400 Inhaler. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Formost 400 Inhaler during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.

Breast feeding

CAUTION

Formost 400 Inhaler 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.

Driving

UNSAFE

Formost 400 Inhaler may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

No interaction found/established

Liver

No interaction found/established

Frequently asked questions

What is Formost 400 Inhaler used for?

Formost 400 Inhaler is a prescription medicine used to control asthma and improve breathing. It is not a rescue inhaler and should not be used for sudden breathing problems.

Can I use Formost 400 Inhaler during a sudden asthma attack?

No. Formost 400 Inhaler is not meant for sudden asthma attacks or sudden shortness of breath. You must always keep a quick-relief inhaler (rescue inhaler) with you for emergencies.

Who should not use Formost 400 Inhaler?

Do not use Formost 400 Inhaler if you are allergic to formoterol, mometasone, or any of its ingredients. It should not be used to treat sudden asthma attacks or in children under 5 years of age unless prescribed by a doctor.

Can Formost 400 Inhaler increase the risk of infections?

Yes. Because Formost 400 Inhaler contains a corticosteroid, it can weaken your immune system and increase the risk of infections such as tuberculosis, fungal infections, and certain viral or bacterial illnesses.

What serious side effects can happen with Formost 400 Inhaler?

Serious side effects of Formost 400 Inhaler may include chest pain, irregular heartbeat, sudden breathing problems, vision changes, high blood pressure, weakened bones, allergic reactions, or swelling of the face, lips, or throat. Seek immediate medical attention if you experience any of these symptoms.

Can I get thrush (fungal infection) from using Formost 400 Inhaler?

Yes. Formost 400 Inhaler can sometimes cause a fungal infection in the mouth or throat called thrush. Rinsing your mouth with water and spitting it out after use can help reduce this risk.

Can Formost 400 Inhaler weaken bones?

Yes. Long-term use of Formost 400 Inhaler may lead to bone thinning (osteoporosis). Your doctor may monitor your bone health, especially if you are at higher risk.

Fact Box

Habit Forming

Therapeutic Class

RESPIRATORY

References

User feedback

Patients taking Formost 400 Inhaler

Twice A Day

87%

Once A Day

13%

What are you using Formost Inhaler for?

Asthma

83%

Chronic obstructive pulmonary disease (COPD)

17%

How much was the improvement?

Excellent

89%

Average

11%

What were the side-effects while using Formost 400 Inhaler?

No Side Effect

67%

Cough

33%

How do you take Formost Inhaler?

With or without food

67%

With food

33%

Please rate Formost 400 Inhaler on price

Expensive

56%

Average

44%

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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Zydus Cadila
Address: Zydus Tower, Satellite Cross Roads,Ahmedabad – 380015 Gujarat, India.

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Formost 400 Inhaler. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

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Why we need a prescription?

Formost 400 Inhaler

Cash on delivery

Free Return

Expiry after

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Formost Inhaler

Benefits of Formost Inhaler

Side effects of Formost Inhaler

How to use Formost Inhaler

How Formost Inhaler works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

What is Formost 400 Inhaler used for?

Can I use Formost 400 Inhaler during a sudden asthma attack?

Who should not use Formost 400 Inhaler?

Can Formost 400 Inhaler increase the risk of infections?

What serious side effects can happen with Formost 400 Inhaler?

Can I get thrush (fungal infection) from using Formost 400 Inhaler?

Can Formost 400 Inhaler weaken bones?

Fact Box

Habit Forming

Therapeutic Class

References

User feedback

Patients taking Formost 400 Inhaler

What are you using Formost Inhaler for?

How much was the improvement?

What were the side-effects while using Formost 400 Inhaler?

How do you take Formost Inhaler?

Please rate Formost 400 Inhaler on price

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

In case of any issues, contact us

Lab tests offered by us

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