lexapro help

ive been lexapro 10mg starting off for 3 weeks now and i cant orgasm anymore since i been on it it sucks so much 🤦🏻‍♀️ idk what to do tbh im desperate for release... 😩😩😩 also i noticed im having dreams again but not bad dreams just crazy off wall dreams... and ive been more hungry i gained a pound but im over weight as it is im scared im gain more weight...😩😩😩