It is important to note that Envira 40mg Injection should only be administered by a healthcare professional and should not be selfadministered For maximum benefit it is recommended to use the injection regularly and at the same time each day Even if you start feeling better it is important to continue using the medication as prescribed by your doctor and complete the full dose Some common side effects of this medication include headache sinus inflammation rash upper respiratory tract infection and injection site reactions such as pain redness and swelling If these side effects persist or worsen over time it is advisable to consult your doctor Your doctor may be able to provide strategies to reduce or prevent these symptoms Before taking this medication it is important to inform your doctor if you have any underlying heart kidney or liver issues Additionally make sure to disclose all other medications you are currently taking Pregnant and breastfeeding women should seek the advice of their doctors before taking this medication to ensure its safety