I'm wondering if my hair's extreme dryness could be because of a medication I take for bipolar disorder (lithium).

The drug seems to suck moisture from everywhere else on my body; frequent thirst is a side effect I've been experiencing, especially since the doctor upped my dose recently.
Name: FeedYourHead's Hair

Description: 3A/3B, Botticelli, fine, thick, high porosity,CG since 2008

Likes: Shea Moisture Coconut & Hibiscus Co-Wash Conditioning Cleanser; Curls Coconut Curlada conditioner; L - Jane Carter Solution Revitalizing Leave-in conditioner; O - Alba Botanica Hawaiian Anti-Frizz Serum; C - Curls Creme Brule cream; FOTE AVG; coconut oil
Dislikes: Silicones (), Hairbrushes () and harsh detergents ()