

立ち上がったとき、急に目眩がしました。
最近よく目眩がするので、病院に行くつもりです。
目眩がひどいなら、少し横になったらどうですか。
"めまい(目眩)" is in the lesson "Sickness" (Level 9), along with 17 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.