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Medically reviewed by Militian Inessa Mesropovna, PharmD. Last updated on 26.06.2023

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Sf 1.1% Gel is an inorganic chemical compound. A colorless solid, it is a source of the Sf 1.1% Gel ion in diverse applications. Sf 1.1% Gel is less expensive and less hygroscopic than the related salt potassium Sf 1.1% Gel.
Oral
Prophylaxis of dental caries
Adult: Per loz contains 1 mg Sf 1.1% Gel: 1 loz daily regardless of Sf 1.1% Gel content of drinking water.
Child: Based on Sf 1.1% Gel content of drinking water: Water-Sf 1.1% Gel content <0.3 ppm: 6 mth-3 yr: 0.25 mg daily; 3-6 yr: 0.5 mg daily; >6 yr: 1 mg daily. Water-Sf 1.1% Gel content 0.3-0.6 ppm: <3 yr: Not recommended; 3-6 yr: 0.25 mg daily; >6 yr: 0.5 mg daily. Tablets should be sucked or chewed before swallowing.
Topical/Cutaneous
Prophylaxis of dental caries
Adult: As 0.2% or 0.05% rinsing solutions: Rinse 10 mL once daily or wkly, preferably at bedtime after brushing the teeth. Rinse solution around and between teeth for 1 minute and spit after rinsing. As gel containing 1.1% Sf 1.1% Gel: Apply a thin layer of the gel to the teeth daily (preferably at bedtime after brushing the teeth) using a toothbrush or mouth tray for at least 1 minute and spit after application. For max benefit, do not eat, drink or rinse their mouth for at least 30 minutes after using the rinsing solution or dental gel.
Child: ≥6 yr: As 0.2% or 0.05% rinsing solutions: Rinse 10 mL once daily or wkly, preferably at bedtime after brushing the teeth. Rinse solution around and between teeth for 1 minute and spit after rinsing. As gel containing 1.1% Sf 1.1% Gel: Apply a thin layer of the gel to the teeth daily (preferably at bedtime after brushing the teeth) using a toothbrush or mouth tray for at least 1 minute and spit after application. Rinse the mouth thoroughly after spitting the gel.
Sf 1.1% Gel is a substance that strengthens tooth enamel. This helps to prevent dental cavities.
Sf 1.1% Gel is used as a medication to prevent tooth decay in people that have a low level of Sf 1.1% Gel in their drinking water. Sf 1.1% Gel is also used to prevent tooth decay in people who undergo radiation of the head and/or neck, which may cause dryness of the mouth and an increased incidence of tooth decay.
Sf 1.1% Gel may also be used for other purposes not listed in this medication guide.
Oral
Prophylaxis of dental caries
Adult: Per loz contains 1 mg Sf 1.1% Gel: 1 loz daily regardless of Sf 1.1% Gel content of drinking water.
Child: Based on Sf 1.1% Gel content of drinking water: Water-Sf 1.1% Gel content <0.3 ppm: 6 mth-3 yr: 0.25 mg daily; 3-6 yr: 0.5 mg daily; >6 yr: 1 mg daily. Water-Sf 1.1% Gel content 0.3-0.6 ppm: <3 yr: Not recommended; 3-6 yr: 0.25 mg daily; >6 yr: 0.5 mg daily. Tablets should be sucked or chewed before swallowing.
Topical/Cutaneous
Prophylaxis of dental caries
Adult: As 0.2% or 0.05% rinsing solutions: Rinse 10 mL once daily or wkly, preferably at bedtime after brushing the teeth. Rinse solution around and between teeth for 1 minute and spit after rinsing. As gel containing 1.1% Sf 1.1% Gel: Apply a thin layer of the gel to the teeth daily (preferably at bedtime after brushing the teeth) using a toothbrush or mouth tray for at least 1 minute and spit after application. For max benefit, do not eat, drink or rinse their mouth for at least 30 minutes after using the rinsing solution or dental gel.
Child: ≥6 yr: As 0.2% or 0.05% rinsing solutions: Rinse 10 mL once daily or wkly, preferably at bedtime after brushing the teeth. Rinse solution around and between teeth for 1 minute and spit after rinsing. As gel containing 1.1% Sf 1.1% Gel: Apply a thin layer of the gel to the teeth daily (preferably at bedtime after brushing the teeth) using a toothbrush or mouth tray for at least 1 minute and spit after application. Rinse the mouth thoroughly after spitting the gel.
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What is the most important information I should know about Sf 1.1% Gel?
Sf 1.1% Gel 1.0 mg are contraindicated when the Sf 1.1% Gel content of drinking water is 0.3 ppm F- or more and should not be administered to children under age 6 years. Sf 1.1% Gel 0.5 mg are contraindicated when the Sf 1.1% Gel content of drinking water is more than 0.6 ppm F- and should not be administered to children underage 6 when the Sf 1.1% Gel content of drinking water is 0.3 ppm F- or more or to children under age 3 years. Sf 1.1% Gel 0.25 mg are contraindicated when the Sf 1.1% Gel content of drinking water is more than 0.6 ppm F- and should not be administered to children under age 3 years when the Sf 1.1% Gel content of drinking water is 0.3 ppm F- or more. Do not administer any strength of Sf 1.1% Gel to children under age 6 months. Sf 1.1% Gel are not indicated for use in adults.
Use Sf 1.1% Gel drops as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Take Sf 1.1% Gel drops by mouth with or without food. Do not eat or drink dairy products within 1 hour before or 2 hours after taking Sf 1.1% Gel drops.
- Do not take an antacid that has aluminum, calcium, or magnesium in it for several hours after you take Sf 1.1% Gel drops.
- Use the dropper that comes with Sf 1.1% Gel drops to measure your dose. Ask your pharmacist for help if you are unsure of how to measure your dose.
- Certain brands of Sf 1.1% Gel drops should be mixed in juice or water before you take it. Contact your doctor or pharmacist if you are unsure if you should mix Sf 1.1% Gel drops in juice or water.
- Certain brands of Sf 1.1% Gel drops should be taken at bedtime after you brush your teeth unless your doctor tells you otherwise. Contact your doctor or pharmacist if you are unsure when to take Sf 1.1% Gel drops.
- If you miss a dose of Sf 1.1% Gel drops, use 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 use 2 doses at once.
Ask your health care provider any questions you may have about how to use Sf 1.1% Gel drops.
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 medication is used to prevent cavities. It makes teeth stronger and more resistant to decay caused by acid and bacteria. Talk to your dentist or doctor about the benefits and risks of this product.
This medication is not recommended for use in infants less than 6 months of age.
This medication is not recommended for use in areas where the Sf 1.1% Gel content in the water supply is greater than 0.6 parts per million. See Notes section for more information.
How to use Sf 1.1% Gel
Take this medication by mouth, usually once daily as directed by your doctor/dentist.
The dosage is based on your age and the Sf 1.1% Gel content in your water supply.
If you are using the liquid form of this medication, measure the dose carefully using the specially marked medicine dropper that is provided. Drops may be swallowed directly, added to a small amount of juice, or mixed with a small amount of food such as applesauce. Do not mix with food containing milk or other dairy products.
If you are using the chewable form of this medication, chew or dissolve it in the mouth before swallowing so that the teeth will also absorb the Sf 1.1% Gel. If you are using the lozenge, place the lozenge in your mouth and allow it to dissolve. Take the chewable medication or lozenge at bedtime after brushing your teeth or as directed by your doctor/dentist. For best results, do not rinse your mouth, eat, or drink for 30 minutes after taking these forms of the medication.
Take this medication 1 hour apart from products that contain calcium, aluminum, or magnesium. Some examples include dairy products (such as milk, yogurt), antacids, laxatives, and vitamins/minerals. These products can bind with Sf 1.1% Gel, preventing its full absorption.
Use this medication regularly in order to get the most benefit from it. To help you remember, take it at the same time each day.
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What other drugs will affect Sf 1.1% Gel?
Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with them first.
Before using this medication, tell your doctor/dentist or pharmacist of all prescription and nonprescription/herbal products you may use.
Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
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What are the possible side effects of Sf 1.1% Gel?
Applies to Sf 1.1% Gel topical: cream, gel/jelly, liquid, paste, solution, suspension, tablet chewable
Along with its needed effects, Sf 1.1% Gel topical (the active ingredient contained in Sf 1.1% Gel) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor as soon as possible if any of the following side effects occur while taking Sf 1.1% Gel topical:
Sf 1.1% Gel in drinking water or taken as a supplement does not usually cause any side effects. However, taking an overdose of Sf 1.1% Gel may cause serious problems.
- Sores in the mouth and on the lips (rare)
Stop taking Sf 1.1% Gel topical and get emergency help immediately if any of the following effects occur:
- Black, tarry stools
- bloody vomit
- diarrhea
- drowsiness
- faintness
- increased watering of the mouth
- nausea or vomiting
- shallow breathing
- stomach cramps or pain
- tremors
- unusual excitement
- watery eyes
- weakness
Check with your doctor as soon as possible if any of the following side effects occur while taking Sf 1.1% Gel topical:
- Pain and aching of bones
- stiffness
- white, brown, or black discoloration of the teeth—occurs only during periods of tooth development in children