Best Medicine for Post-Nasal Drip

By Dr. Pallavi Sharma

Table of Contents


Post-nasal drip is a condition that affects the nasal passages and the throat. It’s caused by the dripping of mucus into the mouth. The mucus is formed when your nose gets more than it needs because of excessive breathing, infections, or allergies.

When mucus accumulates in your sinuses, it often causes irritation and swelling in those areas. This can lead to post-nasal drip because it makes breathing through the nose difficult.

Post-nasal drip happens when the back of your throat and nasal passages get clogged with mucus or fluids that get trapped in the back of your throat. This can irritate your throat and cause a cough.

So let’s see how to treat post-nasal drip!

Over-the-counter medicines for post-nasal drip  Post-nasal drip is a condition that affects the nose after it has been exposed to liquid. The liquid can be mucus, saliva, or sweat.

The symptoms include;

  • Sneezing
  • A runny nose
  • A cough
  • Difficulty breathing

Home Remedies

  • Drink lots of water. It’ll flush out your system and make you feel better.
  • Take an over-the-counter medication that has a decongestant in it (like Sudafed, which is also an antihistamine). It’s not a cure, but it will help clear up the congestion.
  • Try an herbal tea like ginger or chamomile. The warmth from these teas can help soothe your throat and help you get some sleep at night!

Medicine for Post-Nasal Drip


These drugs help to relieve congestion by constricting blood vessels and opening airways in the nose and throat. They do not contain antibiotics or antivirals, but they can be used in conjunction with those medications.

Decongestants should be taken at least two hours before bedtime and when you first feel symptoms of congestion such as runny nose, sneezing, headache, sore throat, and sore muscles/joints.

They should not be used more than once every 24 hours because they may cause rebound congestion after discontinuation.

Some of the frequently available decongestants are Phenylephrine (Sudafed PE), Oxymetazoline (Afrin, Drixoral), and Pseudoephedrine (Sudafed). ‘Though decongestants are compatible for use in adults, it is not recommended to use for less than 6 years.


Post-nasal drip is a common condition that makes you feel like you have an excess of mucus in the back of your throat.

It can be caused by allergies, a cold, or sinusitis. Antihistamines are drugs that reduce the amount of watery mucus secreted by the membranes lining the nose and throat.

Antihistamines can be from the first or second generation.

First-generation antihistamines work by blocking histamine receptors as well but also block other chemical receptors in your body, such as those for serotonin and acetylcholine, which can lead to side effects such as drowsiness and dry mouth. (Chlorpheniramine)

Second-generation antihistamines work by blocking histamine receptors to reduce symptoms such as sneezing, runny nose, and itchy eyes. (Cetrizine, Loratidine).

These are available in oral, spray, capsule, and spray forms.

  • Chlorpheniramine (Chlor-Trimeton)
  • Loratadine (Alavert, Claritin)
  • Fexofenadine (Allegra)
  • Cetirizine (Zyrtec)
  • Brompheniramine (Dimetane)
  • Diphenhydramine (Benadryl)

Steroid Nasal Spray

Steroid nasal sprays have been used for decades to treat nasal conditions like allergies, asthma, and chronic sinusitis.

It helps to reduce nasal inflammation and mucus secretion. The common indications of nasal sprays are sinusitis, allergic rhinitis, nasal polyps, etc.

The most commonly prescribed nasal sprays are as follows:

  • Fluticasone (Flonase)
  • Mometasone (Metaspray)
  • Budesonide (Rhinocort)
  • Triamcinolone (Nasacort Allergy 24hr)
  • Steroid nasal sprays are not recommended for children under 6 years old.


Guaifenesin is a cough suppressant that you can take to relieve your dry cough. It’s available in generic form, so you can get it without paying a lot of money for name-brand drugs.

Guaifenesin is an over-the-counter drug that will help you feel better fast when you need it!

It helps loosen mucus in your airways so that it can be coughed up and out. It works by targeting specific receptors in your body, which means that it can have different effects depending on how much of it you take.

Prescription Cough Medicine

If over-the-counter medications do not relieve your cough, you can try prescription medications such as stronger steroids, antihistamines, or decongestants.

Sometimes there may be a secondary bacterial infection that requires antibiotics.

Home Remedies

Several home remedies can be used for post-nasal drip.


If your cough is dry and hacking, you may want to consider humidifying your air. A humidifier is an appliance that produces water vapor in the air. This helps to keep your lungs moist and comfortable and can help relieve dry coughs.

Humidifiers provide moisture to mucous membranes that have been dried out by dry air. They also help replenish moisture lost through coughing, which is why humidifiers work so well when it comes to coughs.

The best way to use a humidifier is to set it on low and run it constantly throughout the day or night while you’re home.

If you’re looking for a humidifier or steam treatment for your dry cough, here are some tips to help you get the most out of your purchase:

  • Make sure you Submit humidifier that can do more than just humidify the air.
  • Make sure it can add moisture to your environment as well.
  • If you’re using a steam inhaler, make sure it can be used on its own or with other products like an inhaler.
  • Make sure your machine is easy to clean and maintain so that it lasts as long as possible.
  • Use cool mist humidifiers as warm mist humidifiers can cause accidental burns.

Saline Nasal Spray

A nasal spray is being used to treat dry cough and is proving to be very effective. If you are experiencing a dry cough, you may want to try this treatment option.

The nasal spray works by opening up your airway and allowing oxygen in, which can help relieve your symptoms.

Neti Pot

The neti pot is a simple device that you can use to help treat your dry cough.

It works by helping to remove excess mucus from your lungs, which can help relieve your symptoms.

If you’re looking for a way to treat your cough, consider using a neti pot.

It’s a simple and effective way to get your symptoms under control.

Use sterile water or boiled and cooled water to irrigate your nose.


If you’ve got a dry cough, you know how it can feel like your throat is closing up and making breathing difficult. It’s no fun, but it’s not dangerous either. And there are ways to help!

Steam is water vapor produced by heating water in a closed container.

It can be used as an effective home remedy for dry coughs that tend to get worse at night when you’re tired from coughing all day at work or school.

Steam inhalation can help loosen phlegm in your bronchial tubes and give you some relief from the irritant. But if you’re not looking for the short-term effects of steam inhalation, other options may be more effective.

Adding essential oils such as chamomile, menthol, or peppermint to the water will further help in reducing nasal congestion.

Post-Nasal Drip

Post-nasal drip is a condition that can be very uncomfortable and even dangerous.

If you’re experiencing post-nasal drip, you may not be able to tell what’s causing it, but some signs can help you identify the problem.

Post-nasal drip is a condition that occurs when fluid collects in the nasal cavity after a person has a cold or the flu.

The condition can be annoying and can make it difficult to breathe, but it is not usually dangerous.

Through the post-nasal passages, the excess mucus may fall into the throat.

  • Frequent throat clearing
  • Frequent cough
  • Hoarseness of voice
  • Throat irritation
  • Painful lumps over either side of the neck

Nose mucous drainage is the process by which mucous secretions are released from the nose. This can occur spontaneously or as a result of a trigger such as a cold or infection.

Nasal mucus is an important part of our immune system’s defense against infection.

Daily production of mucus is around 2/4 of a cup, which will increase in the case of infection or allergy.

Mucus’ Importance

  • Keep nasal surfaces moist
  • keep the air moist
  • Fight and try to expel infection.

Causes of Post-Nasal Drip

  • Allergies
  • Infections (bacterial and viral) produce yellow or greenish thick mucus.
  • Older age
  • Gastroesophageal reflux disease (GERD)
  • Drugs that thicken mucus
  • Hormonal changes (pregnancy)
  • Spicy foods
  • Weather changes (cold temperatures)
  • Structural abnormalities in the nose and sinus
  • Allergies to dairy products

When to See the Doctor

The post-nasal drip may persist for 2–3 weeks following an oral infection. If it is not relieved by home remedies, it is better to consult a doctor.

Here are the symptoms that indicate that you need to see a doctor following upper airway viral infections.

  • Symptoms for more than 1-week duration
  • Laryngitis and hoarseness of voice
  • Frequent, troublesome cough
  • Greenish color or yellow mucus
  • Smelly mucus
  • Fever with sinus pressure and headache

TeleHealthDoc articles are all written and reviewed by MDs, PhDs, NPs, or PharmDs and are for informational purposes only. This information does not constitute and should not be relied on for professional medical advice. Always talk to your doctor about the risks and benefits of any treatment.

Dr. Pallavi Sharma

Dr. Pallavi Sharma is one of Melbourne’s best, well respected cosmetic doctors and aims to provide longstanding anti-aging benefits for her clients. With over 11 years experience in Performing cosmetic procedures, Dr. Sharma has lectured medical professionals regarding cosmetic treatments and is heavily involved in providing up to date cosmetic treatments to her clients and friends.
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