Dayfil Tablet
Written By Dr. Balshine Singh Kanwar, MD, MBBS
Reviewed By Dr. Lalit Kanodia, MBA, MD Pharmacology
Last updated on 10 Nov 2024 | 01:08 AM (IST)
Dayfil Tablet is a medicine used to treat high blood pressure in the blood vessels that supply the lungs (pulmonary arterial hypertension). It relieves breathlessness and improves exercise capacity in men and women. This slows down the progression of your illness.
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General Information
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Product introduction
Dayfil Tablet belongs to a group of medicines known as phosphodiesterase type 5 (PDE 5) inhibitors. It may be taken on an empty stomach or with a meal, but it should be taken at a fixed time each day. The dose and how often you need to take it will be decided by your doctor so that you get the right amount to control your symptoms. Follow the advice of your doctor. It is important to take this medicine regularly and for as long as you are advised, even if you feel well. Missing doses may lead to the worsening of your condition.
The most common side effects of this medicine include flushing, headache, upset stomach, muscle pain, inflammation of nasal lining, diarrhea, and inflammation of sinus. If they bother you or if you experience any other side effects, talk to your doctor. They may be able to help you reduce or prevent the side effects.
This medicine can be dangerous to take along with medicines called nitrates (often given for chest pain). Do not take this medicine if you have severe heart or liver problems, if you have recently had a stroke or heart attack or if you have low blood pressure. Let your doctor know if you suffer from these or any other health problems. Pregnant or breastfeeding women should also consult their doctor before taking it. You should not drive if this medicine makes you feel dizzy. Avoid drinking alcohol while taking this medicine as it increases the chances of side effects.
The most common side effects of this medicine include flushing, headache, upset stomach, muscle pain, inflammation of nasal lining, diarrhea, and inflammation of sinus. If they bother you or if you experience any other side effects, talk to your doctor. They may be able to help you reduce or prevent the side effects.
This medicine can be dangerous to take along with medicines called nitrates (often given for chest pain). Do not take this medicine if you have severe heart or liver problems, if you have recently had a stroke or heart attack or if you have low blood pressure. Let your doctor know if you suffer from these or any other health problems. Pregnant or breastfeeding women should also consult their doctor before taking it. You should not drive if this medicine makes you feel dizzy. Avoid drinking alcohol while taking this medicine as it increases the chances of side effects.
Uses of Dayfil Tablet
Benefits of Dayfil Tablet
Treatment of Pulmonary arterial hypertension (PAH)
Pulmonary arterial hypertension (PAH) can cause shortness of breath, tiredness, dizziness, chest pain and swelling in your ankles and legs. It is caused by thickening of walls of the arteries that supply your lungs making it hard for blood to get through. Dayfil Tablet relaxes and widens blood vessels in the lungs. This helps reduce the strain on the heart and improves blood flow, leading to lowered blood pressure in the pulmonary arteries. By easing the workload on the heart and enhancing circulation, Dayfil Tablet can improve exercise capacity, reduce symptoms like shortness of breath and fatigue, and enhance the overall quality of life for individuals with PAH.
Pulmonary arterial hypertension (PAH) can cause shortness of breath, tiredness, dizziness, chest pain and swelling in your ankles and legs. It is caused by thickening of walls of the arteries that supply your lungs making it hard for blood to get through. Dayfil Tablet relaxes and widens blood vessels in the lungs. This helps reduce the strain on the heart and improves blood flow, leading to lowered blood pressure in the pulmonary arteries. By easing the workload on the heart and enhancing circulation, Dayfil Tablet can improve exercise capacity, reduce symptoms like shortness of breath and fatigue, and enhance the overall quality of life for individuals with PAH.
Side effects of Dayfil Tablet
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 Dayfil
- Flushing (sense of warmth in the face, ears, neck and trunk)
- Headache
- Blurred vision
- Indigestion
- Muscle pain
- Upset stomach
- Diarrhea
- Nasal inflammation
- Sinus inflammation
How to use Dayfil Tablet
Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Dayfil Tablet may be taken with or without food, but it is better to take it at a fixed time.
How Dayfil Tablet works
Dayfil Tablet is a phosphodiesterase (PDE-5) inhibitor. It works by relaxing the blood vessels in your lungs thereby reducing the high blood pressure in the lungs. This allows your heart to work less to pump blood in your lungs.
Quick tips
- Dayfil Tablet is used to treat high pressure in the blood vessels that carry blood from the heart to the lungs (the pulmonary arteries).
- It can help improve your quality of life and exercise ability.
- Dayfil Tablet may cause dizziness or sleepiness. Don't drive or do anything requiring concentration until you know how it affects you.
- Do not use other medicines (nitrates or nitroglycerin) when taking Dayfil Tablet as it could drop your blood pressure to a dangerous level.
- Do not consume alcohol while taking Dayfil Tablet as that may increase the blood pressure-lowering effects of Dayfil Tablet.
- Stop taking Dayfil Tablet and immediately inform your doctor if you notice loss of vision in one or both eyes or sudden loss of hearing with ringing sensation in your ear.
- Do not stop taking the medication suddenly without talking to your doctor as that may lead to worsening of your symptoms.
Safety advice

Alcohol
UNSAFE
It is unsafe to consume alcohol with Dayfil Tablet.

Pregnancy
SAFE IF PRESCRIBED
Dayfil Tablet is generally considered safe to use during pregnancy. Animal studies have shown low or no adverse effects to the developing baby; however, there are limited human studies.
Use of Dayfil Tablet is not indicated in women.
Use of Dayfil Tablet is not indicated in women.

Breast feeding
SAFE IF PRESCRIBED
Dayfil Tablet is probably safe to use during breastfeeding. Limited human data suggests that the drug does not represent any significant risk to the baby.
Use of Dayfil Tablet is not indicated in women.
Use of Dayfil Tablet is not indicated in women.

Driving
UNSAFE
Dayfil Tablet may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney
SAFE IF PRESCRIBED
Dayfil Tablet is safe to use in patients with kidney disease. No dose adjustment of Dayfil Tablet is recommended.
However, inform your doctor if you have any underlying kidney disease. A lowering of dose may be considered if it is not well-tolerated.
However, inform your doctor if you have any underlying kidney disease. A lowering of dose may be considered if it is not well-tolerated.

Liver
CAUTION
Dayfil Tablet should be used with caution in patients with severe liver disease. Dose adjustment of Dayfil Tablet may be needed. Please consult your doctor.
There is limited information available on the use of Dayfil Tablet in patients with severe liver disease.
There is limited information available on the use of Dayfil Tablet in patients with severe liver disease.

Frequently asked questions
No, you need a doctor's prescription to get Dayfil Tablet since it is a prescription medicine. Your doctor will prescribe it only if they judge that it would be beneficial for you.
Dayfil Tablet is a prescription medicine and should only be taken for the duration that is advised by your doctor.
Use of Dayfil Tablet is harmful for patients taking nitrates or blood pressure-lowering medicines as their combined use can cause a severe fall in blood pressure, which can also result in death. However, if these medicines are to be taken together then it is advised to keep a time gap of 24 hours between the intake of Penegra and blood pressure-lowering medicines.
Dayfil Tablet has the property of relaxing the smooth muscle of the blood vessels and widening them which can cause a fall in blood pressure (hypotension). So, when used with blood pressure lowering medicines or nitrates, it can cause a severe fall in blood pressure, which could be fatal. Dayfil Tablet should not be taken if you are taking nitrates for chest pain or you have a history of heart attack or stroke in the past 6 months.
Yes, if prescribed by your doctor then Dayfil Tablet is safe to use in patients with diabetes.
No, do not take Dayfil Tablet for more than once a day. If you take more Dayfil Tablet than the recommended dose then you may experience an increase in side effects and their severity. These side effects include flushing, headache, muscle pain, stomach upset, allergic reactions and vision changes such as blurred vision. Contact your doctor if Dayfil Tablet does not help you to get an erection, or if your erection does not last long enough for you to complete sexual intercourse.
Fact Box
Chemical Class
Benzenesulfonamide Derivative
Habit Forming
No
Therapeutic Class
SEX STIMULANTS REJUVENATORS
Action Class
Phosphodiesterase-V inhibitors
References
- Michel T, Hoffman BB. Treatment of Myocardial Ischemia and Hypertension. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. pp. 752-53.
- Katzung BG, Chatterjee K. Vasodilator & the Treatment of Angina Pectoris. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 197.
- Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 1261-62.
- Sildenafil. New York, New York: Pfizer; 1998 [revised Mar. 2014]. [Accessed 04 Apr. 2019] (online) Available from:
- CiplaMed. Sildenafil citrate [Product Information]. [Accessed 06 Aug. 2023]. (online) Available from:
- Central Drugs Standard Control Organisation. Sildenafil. [Accessed 06 Aug. 2023]. (online) Available from:

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Patient concerns
Having high Pulmonary Atrial Hypertension
Dr. Nabajit Talukdar
Interventional Cardiology
What medicines r u on
Hiii my wife having hurt patient ( pulmonary hypertension ) she's taking pulmonext 5mg tablet but this tablet is very costly for me of Rs. 1450/- 10tab. I want to know any another tablet available in same drugs with low price
Dr. Sfurti Mann
Diabetology
This can't be decided online Your doctor is the best judge about your patients pulmonary hypertension
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Name: CIMS Pharmaceuticals LLP
Address: DOOR NO:70/619,NIVYA NAGAR,LFC ROAD KALOOR PO,COCHIN COCHIN Ernakulam KL 682017 IN
Address: DOOR NO:70/619,NIVYA NAGAR,LFC ROAD KALOOR PO,COCHIN COCHIN Ernakulam KL 682017 IN
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Country of origin: India
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