Disease can affect all parts of the plant, causing spotting, rotting, cankers, pitting and discoloration.

With bi- and tri-phasic pills, skipping the placebo week results in a sudden change in hormone levels, which may cause irregular spotting or flow.

Even diluted fabric softener will cause spotting when poured directly onto clothes and can ruin them.

Emergency contraception may cause spotting or mild symptoms like those of birth control pills.

In celery, CMV can cause streaking and spotting and can be often confused with symptoms of the celery mosaic virus.

Another drug, orlistat, blocks absorption of dietary fats, and as a result may cause oily spotting bowel movements (steatorrhea), oily stools, stomach pain, and flatulence.

Though it taps out after five years and may cause spotting or irregular periods in the first few months, you can expect lighter bleeding over time.

High-intensity winds may cause jumping or spotting as burning embers are carried through the air over a fireline.

Floor cleaning solution is suggested if floors are high-gloss or if they must be rinsed with hard water, which causes spotting.

The short-term drop in steroid hormones between the beginning of the LH surge and the event of ovulation may cause mid-cycle spotting or bleeding.