Correct

发胀

/ fāzhàng / 
Strokes

Definition

to swell up/swelling

Example

As a Verb

swell; feel bloated

1
Tóunǎo
头脑
fāzhàng
发胀

have a swelled head

2
Dùzi
肚子
fāzhàng
发胀

feel bloated in the stomach

As a Verb

feel distended (under acupuncture treatment)