If your sex life just hasn't been what it once was, you could just be experiencing a dry spell. But chances are there's another factor at play, whether you know it or not. In fact, many things--from health conditions to taking certain medicines--can affect your libido.

Read more ¿Qué más?: 7 rules for having sex in public

Below, check out 6 things you never knew could kill your sex drive:

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Coffee 1

Coffee

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New research shows that your morning cup of coffee--the very thing that helps you wake up!--could be making you less willing to get between the sheets with your partner. Why? It disrupts your blood sugar and decreases your testosterone level, which affects sexual drive and response.

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Allergy medicine 2

Allergy medicine

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Antihistamines are made to dry watery eyes and stuffy noses, but it can also cause some vaginal dryness---making sex more painful. For guys, certain meds also contain ingredients that may affect their ability to, er, rise to the occasion. If you lay off the meds for a few days, the problems should go away, though.

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High cholesterol 3

High cholesterol

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Cholesterol can build up and decrease blood flow to you and your guy's nether regions, making sex less fun for both of you. So head to your doc for a blood test if you think that might be the problem!

Antidepressants 4

Antidepressants

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Antidepressants might help you feel better mentally, but it can diminish testosterone levels, which could affect your sex drive. Make sure you check in with your doctor before and while taking any.

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Anemia 5

Anemia

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When you’re anemic, the blood doesn’t have enough red blood cells, which help deliver oxygen to your organs. That could seriously slow down your sex drive! Make sure you include plenty of iron in your diet or consider taking supplements, if necessary.

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Alcohol 6

Alcohol

One glass of wine may help put you in the mood, but knocking back a few drinks  can actually dull your nerve endings and plummet your sex drive! So try not to imbibe too much if you're thinking of spending some alone time with your significant other.