You can get rid of sinus drainage in your throat by drinking plenty of water and other fluids and staying hydrated.
Also sleeping with your head elevated and even using a saline nasal spray or nasal rinse or a humidifier can help help you get rid of sinus drainage in your throat.
Taking a warm or steamy shower can also help with getting rid of sinus drainage.
Drinking plenty of water helps thin the mucus and makes it easier for the sinus drainage and mucus to drain from your throat.
If you have a sinus infection you can help get rid of the sinus infection naturally by inhaling steam, irrigating your nasal passages with a saline solution and using warm compresses.
Staying hydrated, getting plenty of rest and inhaling steam or taking steamy showers or siting in the bathroom with a steamy shower going or using a humidifier can help get rid of a sinus infection.
Sleeping with your head elevated and using a Neti pot can also help relieve sinus infections.
The kind of doctor that you would see for sinus problems including sinus infections is an ENT also known as an ear, nose and throat doctor who is also known as an otolaryngologist.
A sinus specialist also known as a rhinologist is also another doctor that you could see for more complex issues with your sinuses.
An ENT is a doctor that is trained in diagnosing and treating conditions which affect your ears, nose and throat, which includes sinus problems.
And some doctors also specialize in the nose and sinuses and are called rhinologists and can have advanced training in treating complex sinus conditions.
You should see an ENT if your sinus problems are recurring, persistent or severe or if you have symptoms such as facial pain, nasal congestion or reduced sense of smell.
You can also start seeing your primary care doctor who can also assess your symptoms and refer you to an ENT if necessary.