Nitro-Bid Warnings and Precautions
It's important to let your healthcare provider know if you are dehydrated or have low blood pressure before starting treatment with Nitro-Bid. Other precautions and warnings with this medication include understanding that this ointment can cause headaches and does not treat all types of chest pain. Also, you may not be able to use Nitro-Bid if you are pregnant, breastfeeding, or have certain allergies.
What Should I Tell My Healthcare Provider?You should talk with your healthcare provider prior to using Nitro-Bid® (nitroglycerin ointment) if you have:
- Low blood pressure (hypotension)
- Any allergies, including to foods, dyes, or preservatives.
In addition, let your healthcare provider know if you are:
- Pregnant or thinking of becoming pregnant
You should also tell your healthcare provider about all other medications you are taking, including prescription and nonprescription medicines, vitamins, and herbal supplements.
Specific Precautions and Warnings With Nitro-BidSome warnings and precautions to be aware of prior to using this medicine include the following:
- The use of nitroglycerin skin products, including Nitro-Bid, has not been studied in people having a heart attack or a sudden worsening of heart failure.
- Nitro-Bid can sometimes cause dangerously low blood pressure (hypotension). Alcohol or certain other medications can make this worse (see Nitro-Bid Drug Interactions for more information). People who already have low blood pressure or who are dehydrated have a higher risk for dangerously low blood pressure.
- Nitro-Bid often causes headaches. If this occurs, talk with your healthcare provider. Do not stop using this medicine without first checking with your healthcare provider.
- This drug does not work for all types of chest pain (angina). If your chest pain gets worse when you use this ointment, let your healthcare provider know right away.
- Although Nitro-Bid is often used to treat anal fissures, it is not approved for this purpose. However, this type of use is called an "off-label," or unapproved use, and is often medically appropriate and acceptable.
- In rare cases, some people may be allergic to Nitro-Bid. Let your healthcare provider know if you develop any signs of an allergic reaction, such as:
- Unexplained swelling
- Difficulty breathing.
- Nitro-Bid may react with a number of other medications (see Nitro-Bid Drug Interactions for more information).
- This product is a pregnancy Category C medication. This means that it may not be safe for use during pregnancy, although the full risks are currently unknown (see Nitro-Bid and Pregnancy for more information).
- It is unknown if Nitro-Bid passes through breast milk. Therefore, if you are breastfeeding or plan to start, check with your healthcare provider (or your child's healthcare provider) before using this medicine (see Nitro-Bid and Breastfeeding).