RB FLEX 20MG/1ML INJECTION is used to treat peripheral vascular disease (poor circulation to the arms and legs) and intermittent claudication (pain on walking or at rest caused by poor circulation to the legs). It works by increasing the blood flow to the arms and legs.
RB FLEX 20MG/1ML INJECTION is administered under the supervision of a doctor. Your doctor will decide the dose and duration of the medicine for you. You should continue all your other medicines that are advised by the doctor for your long-term treatment even after this injection.
Common side effects of this medicine include nausea, vomiting, diarrhea, dizziness, headache, flushing (sense of warmth in the face, ears, neck, and trunk), and weakness. Consult your doctor if these effects bother you. This medicine is used with caution for some people. Thus, you must inform the doctor if you are suffering from any liver or kidney disease. Also, let your doctor know if you are pregnant or breastfeeding and about all the other medications that you are taking regularly.
Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of RB Flex
Bloating
Diarrhea
Flushing (sense of warmth in the face, ears, neck and trunk)
Heartburn
Lightheadedness
Nausea
Stomach discomfort
Vomiting
Weakness
Headache
Dizziness
How to use RB Flex Injection
Your doctor or nurse will give you this medicine. Kindly do not self administer.
How RB Flex Injection works
RB FLEX 20MG/1ML INJECTION is a peripheral vasodilator. It works by decreasing the thickness (viscosity) of blood, allowing it to pass more easily through the blood vessels. This effect is beneficial in peripheral vascular disease, where the blood vessels in the arms and legs are narrowed.
Safety advice
Alcohol
CONSULT YOUR DOCTOR
It is not known whether it is safe to consume alcohol with RB FLEX 20MG/1ML INJECTION. Please consult your doctor.
Pregnancy
CONSULT YOUR DOCTOR
RB FLEX 20MG/1ML INJECTION may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.
Breast feeding
CONSULT YOUR DOCTOR
RB FLEX 20MG/1ML INJECTION is probably unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby.
Driving
UNSAFE
RB FLEX 20MG/1ML INJECTION may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney
CAUTION
RB FLEX 20MG/1ML INJECTION should be used with caution in patients with kidney disease. Dose adjustment of RB FLEX 20MG/1ML INJECTION may be needed. Please consult your doctor.
Liver
CONSULT YOUR DOCTOR
There is limited information available on the use of RB FLEX 20MG/1ML INJECTION in patients with liver disease. Please consult your doctor.
What if you forget to take RB Flex Injection?
If you miss a dose of RB FLEX 20MG/1ML INJECTION, skip it and continue with your normal schedule. Do not double the dose.\n
All substitutes
For informational purposes only. Consult a doctor before taking any medicines.
If concurrent use is essential, your doctor may monitor your treatment and adjust the doses as per the observations. Ciprofloxacin may raise blood levels of Pentoxifylline.
Concurr... More
If concurrent use is essential, your doctor may monitor your treatment and adjust the doses as per the observations. Ciprofloxacin may raise blood levels of Pentoxifylline.
Concurr... More
Do not consume Aminophylline with Pentoxifylline. If concurrent use is essential, watch out for symptoms such as nausea, palpitations or headaches and consult your doctor if you ex... More
If concurrent use is essential, your doctor may monitor your treatment and adjust the doses as per the observations.
Concurrent use may increase the risk of bleeding.
Do not consume Aminophylline with Pentoxifylline. If concurrent use is essential, watch out for symptoms such as nausea, palpitations or headaches and consult your doctor if you ex... More
Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.
References
Katzung BG, Chatterjee K. Vasodilator & the Treatment of Angina Pectoris. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 205.
Gersh BJ, Opie LH. Which Therapy for Which Condition? In: Opie LH, Gersh BJ, editors. Drugs for the Heart. 8th ed. Philadelphia, Pennsylvania: Elsevier Saunders; 2013. p. 528.
Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 1089-90.
Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006. Pentoxifylline. [Updated 2018 Oct 31]. [Accessed 19 Feb. 2020] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 19 Mar. 2019] (online) Available from: