Important: This page is general information, not medical advice. It does not recommend or prescribe any treatment. Always consult your doctor or pharmacist before starting, stopping or changing any medicine.
Quick facts
- How it is given
- ophthalmic
- Type
- human otc drug
- Brand names
- Foster and Thrive Original Formula Eye Drops
- RxNorm ID
- 1052943
We do not publish dosing. How much of this medicine to take, how often, and for how long depends on your age, weight, kidney and liver function, other conditions and other medicines. That is a decision for the person who prescribes or dispenses it. Follow the directions on your own pack and ask your pharmacist if anything is unclear.
What it is used to treat
Use relieves redness of the eye due to minor eye irritations
Warnings
Warnings For external use only Ask a doctor before use if you have narrow angle glaucoma When using this product pupils may become enlarged temporarily to avoid contamination, do not touch tip of container to any surface. Replace cap after using. if solution changes color or becomes cloudy, do not use overuse may produce increased redness of the eye remove contact lenses before using Stop use and ask a doctor if you experience eye pain changes in vision continued redness or irritation of the eye, or if the condition worsens or persists for more than 72 hours If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. If swallowed, get medical help or contact a Poison Control Center (1-800-222-1222) right away.
Ask a doctor before use if
Ask a doctor before use if you have narrow angle glaucoma
When using this medicine
When using this product pupils may become enlarged temporarily to avoid contamination, do not touch tip of container to any surface. Replace cap after using. if solution changes color or becomes cloudy, do not use overuse may produce increased redness of the eye remove contact lenses before using
Stop use and see a doctor if
Stop use and ask a doctor if you experience eye pain changes in vision continued redness or irritation of the eye, or if the condition worsens or persists for more than 72 hours
Pregnancy and breastfeeding
If pregnant or breast-feeding, ask a health professional before use.
Keeping it away from children
Keep out of reach of children. If swallowed, get medical help or contact a Poison Control Center (1-800-222-1222) right away.
Active ingredient
Active ingredient Tetrahydrozoline HCl 0.05%
Other ingredients
Inactive ingredients benzalkonium chloride, boric acid, edetate disodium, purified water, sodium borate, sodium chloride
Before you take anything new
Tell your pharmacist or doctor about every medicine you take — including ones bought without a prescription, herbal products and supplements. Interactions are one of the most common avoidable causes of harm from medicines, and a pharmacist can check your full list in a couple of minutes.
This page is built from the openFDA record of the U.S. Food and Drug Administration's approved labelling for this product, effective 30 December 2025. Label text has been shortened and reformatted for readability; safety wording has not been altered in meaning. FDA labelling describes products approved in the United States — brand names, strengths, formulations and approved uses may differ in your country. Always read the leaflet that comes with your own pack. PocketsInfo is not affiliated with, and is not endorsed by, the FDA. Retrieved 2026-07-30.