TobramycinPrices, Coupons & Savings

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*Based on the difference between the U&C price submitted and the price the patient paid, as of April 2023.

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  2. Tobramycin
    Generic for Tobrex
    5mL ophthalmic solutions $6.62 USD
    Save $15.05
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Do you need a prescription for tobramycin?

Yes, tobramycin is only available with a valid physician Rx.

How much is tobramycin without Insurance in the US?

Our website gives two competitive savings options to US customers who wish to purchase tobramycin, as either a brand or generic, if available. The first is access to medications through our mail-order online pharmacy. The second is by using the Now Patient Rx Advantage Card, which can be used in over 65,000 pharmacies nationwide, across America. If you are insured, then in most cases, the cash price will be significantly cheaper than the copay.

What will my out-of-pocket cost be for tobramycin in the US?

There are no out-of-pocket (OOP) costs because we are currently only offering a cash-based option to purchase medications.

Is Now Patient a tobramycin savings card?

Yes. Save up to 90% on your tobramycin with the FREE Now Patient Rx Advantage card*.
*Based on the difference between the U&C submitted by the pharmacy and the price the patients pay.

Can you handle Rx transfers for home delivery in the US?

Yes. If you use the mail-order online pharmacy option, then we can handle requests by you to have your prescription transferred to our pharmacy for home delivery. We can even help you manage your refills by giving you timely reminders, so you do not run out of your medication.

Is Now Patient a tobramycin coupon provider in the US?

No. Now Patient does not provide tobramycin coupons or FREE tobramycin samples.

Do you accept commercial, Medicare or Medicaid coverage for tobramycin in the US?

No. Currently, we only offer cash-based options for purchase, therefore we do not require your insurance benefit details. In the future, our plan is to be able to handle commercial insurance, Medicare and Medicaid including cases where you have multiple health plans that provide benefit coverage (e.g. Medicaid and Commercial). We also anticipate being able to handle more complex scenarios such as using primary insurance combined with a manufacturer copay assistance program.

Does Now Patient work with Medicare?

Our cash-based prices for medications are typically cheaper than Medicare copays. We do not bill Medicare Part D (standalone drug coverage) or Medicare Advantage (combined health and drug coverage). When you purchase your medication from Now Patient, you will be doing so out of your pocket. The spend will not count towards your plan deductibles or gaps.

Does Now Patient work with Commercial Insurance?

Our cash-based prices for medications are typically cheaper than commercial plan copays. We do not bill your commercial plan. When you purchase your medication from Now Patient, you will be doing so out of your pocket. The spend will not count towards your plan deductibles or gaps.

What should you do if you use too much tobramycin?


Call your doctor right away or seek immediate medical attention if your symptoms do not improve or they become worse after using tobramycin. You can also call 800-222-1222 to reach the American Association of Poison Control Centers or use its online resource if you think you’ve used too much tobramycin. But if you have severe symptoms, call 911 (or your local emergency number) immediately or go to the nearest emergency room.


If you think it is an emergency, call 999 or find your nearest A&E
If you need help now, but it’s not an emergency go to 111.nhs.uk or call 111. Alternatively you can speak to one of our pharmacists or use the Now Patient app to make an appointment with your GP.

What should I do if I miss my dose?

There are occasions when people forget to take their medication at correct prescribed times. This may not only have an effect on potentially making the medication less effective but it may also inadvertently lead to taking doses too close together, thereby increasing the risks of side effects.

Click here to find out what to do if you forgot to take your medication

What is generic tobramycin?

Generic tobramycin refers to the non-brand-name version of the medication. It contains the same active ingredient as the brand-name drug but is typically less expensive.

FDA approval of tobramycin

Tobramycin is approved by the U.S. Food and Drug Administration (FDA) for the treatment of various bacterial infections.

Active ingredient of tobramycin

The active ingredient of tobramycin is tobramycin.

US brand name of tobramycin and manufacturer

Tobramycin is available in the US under various brand names, including Aktob, Tobrex, Nebcin, and Tobi. It is manufactured by different pharmaceutical companies.

UK brand name of tobramycin and manufacturer

In the UK, tobramycin is available under various brand names, including Tobradex and Tobi. The manufacturer may vary depending on the brand name.

Prescription requirement for tobramycin

A prescription (Rx) is required for tobramycin in both the US and the UK.

Availability of tobramycin in the UK with NHS prescription

Tobramycin is available in the UK with an NHS prescription.

Conditions treated by tobramycin

Tobramycin sulfate is primarily used for the treatment of bacterial infections, particularly ear, respiratory tract infections and eye infections.

How does tobramycin work?

Tobramycin belongs to a class of medications known as aminoglycoside antibiotics. It works by inhibiting the growth of bacteria and killing them, thereby treating the infection. Tobramycin is active against Staphylococci aureus, Staphylococci epidermidis, Pseudomonas aeruginosa (P. aeruginosa), Klebsiella pneumoniae, Escherichia coli, Enterobacter aerogenes, Morganella morganii, Proteus mirabilis, and Haemophilus influenzae. Bacteria resistant to gentamicin remain susceptible to tobramycin.

Forms of tobramycin available

Tobramycin is available in various formulations, including tobramycin ophthalmic solution (eye drops), eye ointment, inhalation solution, and injection.

Dosage of tobramycin

The dosage of tobramycin may vary depending on the specific infection being treated, the patient’s weight, and other factors. It is important to follow the recommended dosage instructions provided by a healthcare professional.

Directions for tobramycin use

Tobramycin should be used exactly as directed by the healthcare provider. The medication may be administered topically (such as eye drops or eye ointment), inhaled (using a nebulizer), or given via injection. It is important to use tobramycin consistently and complete the prescribed treatment course.

Warnings and contraindications for tobramycin

  • Tobramycin may cause certain side effects, including irritation or burning sensation in the eyes, stinging or irritation in the nose or throat (when inhaled), and hypersensitivity reactions. It may also have effects on kidney function and hearing. Close monitoring is necessary during treatment
  • It may interact with certain medications. Inform the healthcare provider about all medications being taken
  • Do not wear contact lenses while using tobramycin ophthalmic eye drops as it may contain preservatives that discolor the lenses

Use of tobramycin during pregnancy

The use of tobramycin during pregnancy should be carefully considered, and the potential risks and benefits should be discussed with a healthcare provider. The medication may be used during pregnancy if the potential benefits outweigh the risks.

Use of tobramycin while breastfeeding

Tobramycin may pass into breast milk. The use of tobramycin while breastfeeding should be discussed with a healthcare provider, considering the potential risks and benefits for the mother and the infant.

Possible side effects of tobramycin

Common side effects of tobramycin may include irritation or burning sensation in the eyes, changes in taste (when used as eye drops), and cough (when inhaled). Serious side effects are rare but may include nephrotoxicity and neuromuscular toxicity. Promptly report any adverse reactions to a healthcare provider. Get medical help right away if you have a life-threatening allergic reaction. Symptoms include hives, trouble breathing, worsening shortness of breath, sore throat, chest pain, swelling of the face, tongue or throat, red skin lesions, blisters, and serious skin reactions.

Interactions with other drugs

Tobramycin may interact with certain medications, including other aminoglycosides, vancomycin, cisplatin, and diuretics such as furosemide (I.V. loop diuretics increase the risk of ototoxicity) It is important to inform your healthcare provider about all the prescription drugs, over the counter nonprescription medications, herbal products, supplements, and vitamins you are taking to avoid potential adverse effects and drug interactions.

Similar drugs to tobramycin

Other antibiotics used for the treatment of bacterial infections include gentamicin, amikacin, and ciprofloxacin.


  • FDA Prescribing Information for Tobramycin
  • MHRA product information for Tobramycin
  • WebMD – Tobramycin
  • Drugs.com – Tobramycin
  • NHS UK
Stefano Mirabello Medical Reviewer
Pharmacist / B.Pharm
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