Medically reviewed by Fedorchenko Olga Valeryevna, PharmD. Last updated on 26.06.2023

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Sidan is a sedative and hypnotic drug. It has been used to treat insomnia, but has been largely superseded and is only offered where an intolerance or allergy to other drugs exists.
Triprolidine (Sidan) is an antihistamine that reduces the natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.
Pseudoephedrine (Sidan) is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose).
The combination of Pseudoephedrine (Sidan) and Triprolidine (Sidan) is used to treat sneezing, cough, runny or stuffy nose, itchy or watery eyes, hives, skin rash, itching, and other symptoms of allergies and the common cold.
Triprolidine (Sidan) is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.
Pseudoephedrine (Sidan) is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose).
The combination of Pseudoephedrine (Sidan) and Triprolidine (Sidan) is used to treat runny or stuffy nose, sneezing, itching, watery eyes, and sinus congestion caused by allergies, the common cold, or the flu.
Pseudoephedrine (Sidan) and Triprolidine (Sidan) may also be used for purposes not listed in this medication guide.
Usual Adult Dose for Allergic Rhinitis:
Tablets:
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 60 mg-2.5 mg
1 tablet orally every 4-6 hours; do not exceed 4 doses in 24 hours.
Syrup:
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 30 mg-1.25 mg/mL oral liquid
10 mL orally every 4-6 hours; do not exceed 4 doses in 24 hours.
Liquid:
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 10 mg-0.938 mg/mL oral liquid:
2.67 mL orally every 6 hours. Do not take more than 4 doses in 24 hours.
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 45 mg-2.5 mg/5 mL oral liquid:
5 to 10 mL orally every 4 to 6 hours. (maximum Pseudoephedrine (Sidan): 240 mg/24 hours).
Usual Adult Dose for Cold Symptoms:
Tablets:
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 60 mg-2.5 mg
1 tablet orally every 4-6 hours; do not exceed 4 doses in 24 hours.
Syrup:
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 30 mg-1.25 mg/mL oral liquid
10 mL orally every 4-6 hours; do not exceed 4 doses in 24 hours.
Liquid:
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 10 mg-0.938 mg/mL oral liquid:
2.67 mL orally every 6 hours. Do not take more than 4 doses in 24 hours.
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 45 mg-2.5 mg/5 mL oral liquid:
5 to 10 mL orally every 4 to 6 hours. (maximum Pseudoephedrine (Sidan): 240 mg/24 hours).
Usual Pediatric Dose for Allergic Rhinitis:
Tablets:
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 60 mg - 2.5 mg.
6 years to 12 years: 1/2 tablet orally every 4-6 hours; do not exceed 4 doses in 24 hours.
13 years or older: 1 tablet orally every 4-6 hours; do not exceed 4 doses in 24 hours.
Syrup:
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 30 mg - 1.25 mg.
6 years to 12 years: 5 mL orally every 4-6 hours; do not exceed 4 doses in 24 hours.
13 years or older: 10 mL orally every 4-6 hours; do not exceed 4 doses in 24 hours.
Liquid:
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 10 mg-0.938 mg/mL oral liquid:
6 years to 11 years: 1.33 mL orally every 6 hours. Do not take more than 4 doses in 24 hours.
12 years or older: 2.67 mL orally every 6 hours. Do not take more than 4 doses in 24 hours.
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 45 mg-2.5 mg/5 mL oral liquid:
6 years to 11 years: 2.5 to 5 mL orally every 4 to 6 hours. (maximum Pseudoephedrine (Sidan): 120 mg/24 hours).
12 years or older: 5 to 10 mL orally every 4 to 6 hours. (maximum Pseudoephedrine (Sidan): 240 mg/24 hours).
Usual Pediatric Dose for Cold Symptoms:
Tablets:
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 60 mg - 2.5 mg.
6 years to 12 years: 1/2 tablet orally every 4-6 hours; do not exceed 4 doses in 24 hours.
13 years or older: 1 tablet orally every 4-6 hours; do not exceed 4 doses in 24 hours.
Syrup:
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 30 mg - 1.25 mg.
6 years to 12 years: 5 mL orally every 4-6 hours; do not exceed 4 doses in 24 hours.
13 years or older: 10 mL orally every 4-6 hours; do not exceed 4 doses in 24 hours.
Liquid:
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 10 mg-0.938 mg/mL oral liquid:
6 years to 11 years: 1.33 mL orally every 6 hours. Do not take more than 4 doses in 24 hours.
12 years or older: 2.67 mL orally every 6 hours. Do not take more than 4 doses in 24 hours.
Pseudoephedrine (Sidan)-Triprolidine (Sidan) 45 mg-2.5 mg/5 mL oral liquid:
6 years to 11 years: 2.5 to 5 mL orally every 4 to 6 hours. (maximum Pseudoephedrine (Sidan): 120 mg/24 hours).
12 years or older: 5 to 10 mL orally every 4 to 6 hours. (maximum Pseudoephedrine (Sidan): 240 mg/24 hours).
Use Sidan liquid as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Sidan liquid may be taken with or without food. If stomach upset occurs, take with food to reduce stomach irritation.
- Use a measuring device marked for medicine dosing. Ask your pharmacist for help if you are unsure of how to measure your dose.
- If you miss a dose of Sidan liquid and are using it regularly, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use Sidan liquid.
There are specific as well as general uses of a drug or medicine. A medicine can be used to prevent a disease, treat a disease over a period or cure a disease. It can also be used to treat the particular symptom of the disease. The drug use depends on the form the patient takes it. It may be more useful in injection form or sometimes in tablet form. The drug can be used for a single troubling symptom or a life-threatening condition. While some medications can be stopped after few days, some drugs need to be continued for prolonged period to get the benefit from it.This combination medication is used to temporarily relieve symptoms caused by the common cold, flu, allergies, or other breathing illnesses (such as sinusitis, bronchitis). Antihistamines help relieve watery eyes, itchy eyes/nose/throat, runny nose, and sneezing. Decongestants help to relieve stuffy nose and ear congestion symptoms.
If you are self-treating with this medication, carefully read the package instructions to be sure it is right for you before you start using this product. Some products have similar brand names but different active ingredients with different uses. Taking the wrong product could harm you. Ask your pharmacist if you have any questions about your product or its use.
Cough-and-cold products have not been shown to be safe or effective in children younger than 6 years. Therefore, do not use this product to treat cold symptoms in children younger than 6 years unless specifically directed by the doctor. Some products (including some long-acting tablets/capsules) are not recommended for use in children younger than 12 years. Ask your doctor or pharmacist for more details about using your product safely. Do not use this product to make a child sleepy.
These products do not cure or shorten the length of the common cold and may cause serious side effects. To decrease the risk for serious side effects, carefully follow all dosage directions. Do not give other cough-and-cold medication that might contain the same or similar ingredients. Ask the doctor or pharmacist about other ways to relieve cough and cold symptoms (such as drinking enough fluids, using a humidifier or saline nose drops/spray).
How to use Sidan
Take this medication by mouth as directed by your doctor. If you are self-treating, follow all directions on the product package. If you are uncertain about any of the information, ask your doctor or pharmacist.
This medication may be taken with food if stomach upset occurs. Drink plenty of fluids unless otherwise directed by your doctor.
If you are using the liquid form of this medication, carefully measure the dose using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose. If your liquid form is a suspension, shake the bottle well before each dose.
Do not crush or chew extended-release tablets or capsules. Doing so can release all of the drug at once, increasing the risk of side effects. Also, do not split extended-release tablets unless they have a score line and your doctor or pharmacist tells you to do so. Swallow the whole or split tablet without crushing or chewing.
If you are using chewable tablets, chew each tablet thoroughly before swallowing.
If you are using a product made to dissolve in the mouth (tablets/strips), dry your hands before handling the medication. Place each dose on the tongue and allow to dissolve completely, then swallow it with saliva or with water.
Dosage is based on the product you are taking and your age, medical condition, and response to treatment. Do not increase your dose or take this medication more often than directed without your doctor's approval. Improper use (abuse) of this medication may result in serious harm (such as hallucinations, seizure, death).
If your doctor directs you to take this medication daily, take it regularly to get the most benefit from it. To help you remember, take it at the same time(s) each day.
Tell your doctor if your condition persists for more than 1 week, if it worsens, or if it occurs with fever, rash, or persistent headache. These may be symptoms of a serious medical problem and should be checked by a doctor.
See also:
What other drugs will affect Sidan?
Simultaneous administration of Sidan Zentis Drugs with: