*Opium Alkaloids DOI: http://dx.doi.org/10.5772/intechopen.91326*

Adverse reactions are flushing, hypertension, tachycardia, headache, malaise, sedation, abdominal distress, anorexia, constipation, etc.

Use in the complete AV block is contraindicated.

*Effects on reproduction and lactation* is unknown.

*Effects on pregnancy*: It is not considered to have a adverse effect on infants.
