Mucus in the back of the throat

If nasal congestion or allergies are contributing, a saline nasal spray or rinse may help clear mucus and reduce irritation.

However, nasal irrigation needs to be done correctly.

When using a nasal rinse, use distilled, sterile, or previously boiled and cooled water rather than plain untreated tap water. The equipment should also be cleaned properly and allowed to dry.

This is one home remedy where safety details really matter.

Saline does not treat every cause of chronic cough, but it can be useful when nasal congestion or postnasal drainage is part of the problem.

If you have frequent nosebleeds, recent nasal surgery, or another condition affecting the nose or sinuses, ask a healthcare professional whether nasal irrigation is appropriate.

8. Sleep With Your Head Slightly Elevated

If you notice that coughing, throat clearing, or congestion becomes worse when you lie flat, the position itself may be contributing.

There are two common possibilities.

The first is mucus drainage.

The second is acid reflux.

When you lie down, stomach contents can travel upward more easily in some people. Reflux can irritate the throat and produce a persistent tickle, cough, hoarseness, or the sensation of mucus even when there is not actually a large amount of mucus present.

If your symptoms are worse after meals or at night, reflux may be part of the picture.

Elevating the upper part of the body during sleep may help some people with nighttime reflux symptoms.

Simply adding several pillows under your head is not always the best approach because it can bend the body at an uncomfortable angle.

A properly designed wedge or elevating the head of the bed can be more effective for some people.

Other reflux-friendly habits can include avoiding large meals close to bedtime and identifying foods that trigger symptoms.

But persistent throat irritation should not automatically be blamed on reflux.

A medical evaluation may be appropriate when symptoms continue.

9. Avoid Smoke, Vaping, and Strong Irritants

Sometimes the best "remedy" is removing the thing that keeps irritating your airways.

Cigarette smoke is a major airway irritant.

Vaping aerosols can also irritate the respiratory tract.

Other triggers can include:

Heavy fragrance

Cleaning chemicals

Dust

Paint fumes

Wood smoke

Industrial particles

If your throat or chest feels congested, repeated exposure to these irritants can make the problem last longer.

Even if you do not smoke yourself, secondhand smoke can still affect the air you breathe.

Try to keep your home well ventilated and avoid unnecessary exposure to irritating fumes.

People with asthma or allergies may be particularly sensitive to airborne triggers.

If symptoms reliably appear after exposure to a particular substance, that pattern is useful information.

Your body may not be reacting to an infection at all.

It may be reacting to the environment.

10. Give Your Body Time to Recover—and Keep Moving Gently

Rest is important during and after illness, but complete inactivity is not always necessary.

Once you feel well enough, gentle movement such as walking around the house or taking a short outdoor walk can help you avoid spending the entire day lying down.

Light activity also encourages deeper breathing and can help you gradually return to your normal routine.

You should not force exercise if you are feverish, severely weak, short of breath, dizzy, or otherwise unwell.

The goal is not to "sweat out" an infection.

That idea is not supported by good medical reasoning.

Instead, think of gentle movement as part of recovery when your body is ready.