What is the best otc allergy medicine for post nasal drip

What is the best otc allergy medicine for post nasal drip

What is post-nasal drip?

‘Post-nasal drip’ is the medical term that describes when mucus from your nose or sinuses drips below the back of your throat.

Post-nasal drip can sometimes cause a cough.

Post-nasal drip treatment

The treatment for post-nasal drip depends on its cause.

If your post-nasal drip is caused by hay fever, then antihistamines, decongestant medicines and steroid nasal sprays can be effective treatments.

Using a saline nasal spray can also help.

You can prevent hay fever by avoiding the substances you are allergic to.

What is the best otc allergy medicine for post nasal drip

If you don’t know what you are allergic to, speak with your doctor who can refer you for allergy tests.

If your post-nasal drip is caused by sinusitis from a bacterial infection, your doctor might prescribe antibiotics to treat the infection.

You should also talk with your doctor about treatments for other causes of post-nasal drip, such as reflux and asthma.

Some things you can do to assist ease the symptoms are:

  1. drink more fluids (such as water) to thin out the mucus
  2. avoid substances that cause dehydration, such as alcohol and caffeine, as these make symptoms worse
  3. avoid common irritants such as cigarette smoke and sudden temperature changes.


American Academy of Otolaryngology–Head and Neck Surgery(Post-nasal drip), Mayo Clinic(Nasal congestion – when to see a doctor), Healthline(Postnasal drip: what you need to know)

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Last reviewed: March 2018

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The main symptom of post nasal drip is the feeling of having phlegm in the back of your throat.

There are several diverse conditions which can result in the same symptom, and determining the cause is the best way to make certain you get the best treatments.

Allergic Rhinitis as a Cause of Post Nasal Drip

Post nasal drip may be a symptom of allergic rhinitis (hayfever) although it’s fairly unusual to own post nasal drip as the only symptom. Typically, allergic rhinitis symptoms also include sneezing, nasal congestion, and a runny, itchy nose.

People with post nasal drip caused by allergic rhinitis are diagnosed in much the same way as those with other types of symptoms.

What is the best otc allergy medicine for post nasal drip

Positive results on allergy testing propose that there is an allergic cause to the symptoms. Having a excellent response to treatment with medicines for allergic rhinitis also increases the chance that post nasal drip is related to hayfever

What causes post-nasal drip?

The most common causes of post-nasal drip are:

  1. viral infections in your nose and throat
  2. hay fever, which is inflammation of the inside lining of your nose, also called ‘allergic rhinitis’
  3. sinusitis, which is inflammation of the hollow spaces in the bones of your face

Other causes are asthma and gastro-oesophageal reflux disease (GORD).

Post-nasal drip symptoms

Symptoms of post-nasal drip include:

  1. a cough
  2. a ‘tickle’ in your throat or a sore throat
  3. a lot of mucus in the throat
  4. needing to clear your throat regularly
  5. blocked or runny nose
  6. hoarse voice

People with post-nasal drip can also get bad breath.

Causes of Post Nasal Drip

Post-nasal drip can be caused by allergies, among other things.

What is the best otc allergy medicine for post nasal drip

There are numerous causes of post nasal drip, or phlegm in the throat, which causes numerous people to frequently clear their throats. While the symptoms are similar, causes may include:

  1. Allergic rhinitis (hayfever)
  2. Non-allergic rhinitis (vasomotor rhinitis)
  3. Gastroesophageal reflux disease (GERD)
  4. Sinusitis
  5. Hormonal causes such as pregnancy or hypothyroidism
  6. Overuse of nasal sprays such as Afrin